Regarding construction qualifications

Corporate assets: net assets of over 100 million yuan. Key personnel of the enterprise: (1) There must be no less than 15 first-class registered construction engineers specializing in mechanical and electrical engineering. (2) The technical supervisor shall have over 10 years of experience in engineering construction technical management, and hold a senior professional title in the engineering field ； There should be no less than 80 personnel with intermediate or higher professional titles in the engineering team, covering a full range of specialties including petrochemicals (or surface construction for oil and gas fields, oil and gas storage and transportation, petroleum refining, chemical engineering, chemical processes, or chemical equipment), structure, electrical engineering, machinery, and automatic control. (3) There must be no less than 25 on-site management personnel holding relevant qualification certificates, and positions such as quality inspectors and safety officers must be fully covered. (4) There shall be no less than 150 technical workers at the intermediate level or above who have passed assessments or training. Corporate engineering achievements: Over the past 5 years, the company has undertaken construction work for one of the following two types of projects, and the quality of such work has been satisfactory. (1) 3 contracts for the general contracting of medium-sized petrochemical plant construction or the main project construction, with a single contract value of over 100 million yuan each ； (2) 3 maintenance projects for major petrochemical units (which may include auxiliary facilities) with a single contract value of over 35 million yuan.

With Grade 1 qualification, it is capable of undertaking the construction as well as inspection, maintenance, and repair work for various types of petrochemical projects. -----Source: Baidu Baike

The general contracting qualifications for petrochemical engineering projects are divided into special grade, first grade, second grade, and third grade. Grade 1 qualification standards for general contracting of petrochemical engineering projects. Requirements: The enterprise’s assets, in the form of net assets, must be over 100 million yuan. Qualification standards for general contracting of petrochemical engineering projects – Key personnel required: (1) At least 15 first-class registered construction engineers specializing in mechanical and electrical engineering. (2) The technical supervisor shall have over 10 years of experience in engineering construction technical management, and hold a senior professional title in the engineering field ； There should be no less than 80 personnel with intermediate or higher professional titles in the engineering team, covering a full range of specialties including petrochemicals (or surface construction for oil and gas fields, oil and gas storage and transportation, petroleum refining, chemical engineering, chemical processes, or chemical equipment), structure, electrical engineering, machinery, and automatic control. (3) There must be no less than 25 on-site management personnel holding relevant qualification certificates, and positions such as quality inspectors and safety officers must be fully covered. (4) There shall be no less than 150 technical workers at the intermediate level or above who have passed assessments or training. Enterprise project performance for the general contracting qualification standards in petrochemical engineering projects: Over the past 5 years, the enterprise has undertaken the construction of projects falling under one of the following two categories, with satisfactory project quality. (1) 3 contracts for the general contracting of medium-sized petrochemical plant construction or the main project construction, with a single contract value of over 100 million yuan each ； (2) 3 maintenance projects for major petrochemical units (which may include auxiliary facilities) with a single contract value of over 35 million yuan. Qualification standards for Grade 2 general contracting qualifications in petrochemical engineering construction. Editing: Qualification standards for general contracting qualifications in petrochemical engineering construction – corporate assets: net assets of over 40 million yuan. Qualification standards for general contracting of petrochemical engineering projects – Key personnel required: (1) No less than 12 registered construction engineers specializing in mechanical and electrical engineering. (2) The technical supervisor shall have over 8 years of experience in engineering construction technology management, and hold a senior professional title in the engineering field or be a first-class registered constructor qualified in the mechanical and electrical engineering specialty ； There should be no less than 40 personnel with intermediate or higher professional titles in the engineering team, covering a full range of specialties including petrochemicals (or surface construction for oil and gas fields, oil and gas storage and transportation, petroleum refining, chemical engineering, chemical processes, or chemical equipment), structure, electrical engineering, machinery, and automatic control. (3) There shall be no less than 15 construction site management personnel holding relevant qualification certificates, and positions such as quality inspectors and safety officers must be fully covered. (4) There must be no less than 75 technical workers at the intermediate level or above who have passed relevant assessments or training. Enterprise project performance for the general contracting qualification standards in petrochemical engineering projects: Over the past 5 years, the enterprise has undertaken the construction of projects falling under one of the following two categories, with satisfactory project quality. (1) 3 general contracting projects for petrochemical engineering construction or main project contracts with a single contract value of over 30 million yuan each ； (2) 3 maintenance projects for major petrochemical units (which may include auxiliary facilities) with a single contract value of over 25 million yuan. Grade 3 criteria for the general contracting qualification for petrochemical engineering projects. Requirements: The enterprise’s net assets must be over 10 million yuan. Qualification standards for general contracting of petrochemical engineering projects – Key personnel required: (1) At least 5 registered construction engineers specializing in mechanical and electrical engineering. (2) The technical supervisor shall have more than 5 years of experience in engineering construction technology management, and hold a professional title at the intermediate level or above in the engineering field, or be a registered constructor with expertise in mechanical and electrical engineering ； There should be no fewer than 10 personnel with intermediate or higher professional titles in the engineering team, and the team should have expertise in fields such as petrochemicals (or surface construction for oil and gas fields, oil and gas storage and transportation, petroleum refining, chemical engineering, chemical processes, or chemical equipment), structure, electrical engineering, mechanics, and automatic control. (3) There should be no less than 8 construction site managers holding relevant qualification certificates, and personnel such as quality inspectors and safety officers must be fully available. (4) There must be no less than 30 technical workers at the intermediate level or above who have passed relevant assessments or training. (5) The technical director (or registered construction engineer) has supervised the completion of no less than 2 engineering projects that meet the requirements for level 2 or higher in this category of qualifications. Qualification standards for general contracting of petrochemical engineering projects – Scope of contracted work. Edited: Qualification standards for general contracting of petrochemical engineering projects; Level 1 qualification: Enables the undertaking of construction, as well as inspection, maintenance, and repair work on various types of petrochemical projects. Grade 2 qualification for the general contracting of petrochemical engineering projects: enables the undertaking of petrochemical project construction other than large-scale projects, as well as inspection, maintenance, and repair work on various types of petrochemical projects. The third-level qualification standard for general contracting of petrochemical engineering projects allows for the undertaking of petrochemical project construction with a single contract value of up to 35 million yuan, as well as maintenance work on petrochemical projects that are not of large or medium scale. Note: 1. Petrochemical engineering refers to the main projects such as oil and gas field surface facilities, oil and gas storage and transportation (pipelines, storage tanks, etc.), petrochemical processing, chemical manufacturing, and coal chemical processing, as well as the supporting projects and auxiliary production facilities. 2. Criteria for classifying large and medium-sized projects in petrochemical engineering: Large petrochemical projects refer to: (1) construction projects related to oil (gas) fields with a production capacity of 300,000 tons per year or more ； (2) Gas treatment projects with a capacity of over 500,000 cubic meters per day ； (3) Pipeline transportation projects for over 3 million tons per year of crude oil and refined products, as well as over 8 billion cubic meters per year of gas, along with related construction projects ； (4) Crude oil storage facilities with a single tank capacity of over 100,000 cubic meters and a total storage capacity of over 300,000 cubic meters; refined oil storage facilities with a single tank capacity of over 20,000 cubic meters and a total storage capacity of over 80,000 cubic meters; natural gas storage facilities with a single tank capacity of over 5,000 cubic meters and a total storage capacity of over 15,000 cubic meters; liquefied gas and light hydrocarbon storage facilities with a single tank capacity of over 400 cubic meters and a total storage capacity of over 2,000 cubic meters; liquefied natural gas storage facilities with a single tank capacity of over 30,000 cubic meters and a total storage capacity of over 120,000 cubic meters; underground gas storage facilities with a single tank capacity of over 500 million cubic meters; as well as the supporting construction projects for the above-mentioned storage facilities ； (5) Refining projects with a capacity of over 8 million tons per year, or the associated production units such as atmospheric and vacuum distillation, desulfurization, catalysis, reforming, hydrogen production, hydrogenation, gas separation, coking, etc., along with related utility systems and auxiliary facilities ； (6) Ethylene plants with a capacity of over 600,000 tons per year, or the associated production facilities for substances such as p-xylene (PX), methanol, purified terephthalic acid (PTA), butadiene, caprolactam, ethylene glycol, styrene, acetic acid, vinyl acetate, ethylene oxide/ethylene glycol (EO/EG), butyl octyl alcohol, polyesters, polyethylene, polypropylene, and ABS, along with related utility systems and auxiliary facilities ； (7) Synthetic ammonia plants with an annual production capacity of over 300,000 tons, or the corresponding main production units ； (8) Phosphammonium project with an output of 240,000 tons per year or more, or the corresponding main production facility ； (9) Sulfuric acid plant with a production capacity of 320,000 tons per year or more, or the corresponding main production facility ； (10) Soda ash plants with a production capacity of 500,000 tons per year or more, caustic soda plants with a production capacity of 100,000 tons per year or more, or the corresponding main production facilities ； (11) Projects for synthetic rubber, synthetic resins, plastics, and chemical fibers with an annual production capacity of 40,000 tons or more, or the corresponding main production facilities ； (12) Projects involving organic raw materials, dyes, intermediates, pesticides, additives, reagents, etc., or the corresponding main production facilities, with an investment amount of over 600 million yuan ； (13) Tire engineering capacity of over 300,000 sets per year or corresponding main production facilities ； (14) Coal chemical projects such as coal gasification with a capacity of over 1 billion standard cubic meters per year, coal-to-natural gas production with a capacity of over 2 billion cubic meters per year, coal-to-methanol production at over 600,000 tons per year, coal-to-oil production at over 1 million tons per year, and coal-based olefin production at over 200,000 tons per year, or the corresponding main production facilities. Medium-scale petrochemical projects refer to the following projects that are smaller in scale than large petrochemical projects: (1) Construction projects related to oil (gas) fields with a production capacity of 100,000 tons per year or more ； (2) Gas treatment projects with a capacity of over 200,000 cubic meters per day ； (3) Pipeline transportation projects for crude oil and refined oil at a volume of 1 million tons per year or more, as well as gas transmission projects at a volume of 2 billion cubic meters per year or more, along with related construction projects ； (4) Crude oil storage facilities with a single tank capacity of over 50,000 cubic meters and a total storage capacity of over 100,000 cubic meters; refined oil storage facilities with a single tank capacity of over 5,000 cubic meters and a total storage capacity of over 30,000 cubic meters; natural gas storage facilities with a single tank capacity of over 2,000 cubic meters and a total storage capacity of over 10,000 cubic meters; liquefied gas and light hydrocarbon storage facilities with a single tank capacity of over 200 cubic meters and a total storage capacity of over 1,000 cubic meters; liquefied natural gas storage facilities with a single tank capacity of over 20,000 cubic meters and a total storage capacity of over 60,000 cubic meters; underground gas storage facilities with a single tank capacity of over 100 million cubic meters; as well as the supporting construction projects for the above-mentioned storage facilities ； (5) Refining projects with a capacity of over 5 million tons per year, or the associated production units such as atmospheric and vacuum distillation, desulfurization, catalysis, reforming, hydrogen production, hydrogenation, gas separation, coking, etc., along with related utility systems and auxiliary facilities ； (6) Ethylene plants with a capacity of 300,000 tons per year or more, as well as the associated production facilities for p-xylene (PX), methanol, purified terephthalic acid (PTA), butadiene, caprolactam, ethylene glycol, styrene, acetic acid, vinyl acetate, ethylene oxide/ethylene glycol (EO/EG), butyl octyl alcohol, polyesters, polyethylene, polypropylene, ABS, and other related utility systems and auxiliary facilities ； (7) Synthetic ammonia plants with a capacity of over 150,000 tons per year, or the corresponding main production units ； (8) Phosphatic ammonium fertilizer plants with an annual production capacity of over 120,000 tons, or corresponding main production facilities ； (9) Sulfuric acid plant with a production capacity of 160,000 tons per year or more, or the corresponding main production facility ； (10) Soda ash plants with a production capacity of 300,000 tons per year or more, caustic soda plants with a production capacity of 50,000 tons per year or more, or the corresponding main production facilities ； (11) Projects for synthetic rubber, synthetic resins, plastics, and chemical fibers with an annual production capacity of 20,000 tons or more, or the corresponding main production facilities ； (12) Projects involving organic raw materials, dyes, intermediates, pesticides, additives, reagents, etc., or the corresponding main production facilities, with an investment amount of over 200 million yuan ； (13) Tire engineering capacity of over 200,000 sets per year or corresponding main production facilities ； (14) Coal chemical projects such as coal gasification with a capacity of 400 million cubic meters per year or more, coal-to-natural gas production with a capacity of 500 million cubic meters per year or more, coal-to-methanol production at 200,000 tons per year or more, coal-to-oil production at 160,000 tons per year or more, and coal-based olefin production at 100,000 tons per year or more, or the corresponding main production facilities.

It is capable of undertaking the construction, inspection, and maintenance of various types of petrochemical projects.