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  1. Overall design of Xinjiang Shanneng Chemical Industry’s Zhundong Wucaiwan 800,000 tons/year coal-to-olefins project - HCBBS Forum
  2. 【Haichuan Convenience Store】Do you know what \"Lao Hui\" refers to, as mentioned by the live-stream shopping hosts? ? - HCBBS Forum
  3. 【Haichuan Teahouse】Do you know where the real four major hot spots are? - HCBBS Forum
  4. What is the quality of domestically produced brand urea-grade alloy steel valves? ? ? - HCBBS Forum
  5. 【Sea and River Safety Discussion】Is such anti-slip measures an innovation or do they pose hidden risks? - HCBBS Forum
  6. 【Major Industrial Equipment in the Chemical Engineering Sector】065 – Domestic production of high-pressure vertical wet-winding forced-circulation hot water pumps - HCBBS Forum
  7. Decline in the production capacity of epichlorohydrin: 58% of domestic production capacity is constrained, with prices rising by 40% - HCBBS Forum
  8. Why is an intermediate coat of paint used on the pipes of some equipment, while others only have a primer and a topcoat? - HCBBS Forum
  9. Ministry of Ecology and Environment: Outdated chemical production capacity within one kilometer along the Yangtze River has been largely phased out - HCBBS Forum
  10. Gansu generated 40 billion kWh of electricity from new energy sources, which is equivalent to a reduction of 40 million tons of carbon dioxide emissions - HCBBS Forum
  11. Which company manufactured the ammonia synthesis tower for the Chifeng Zhongji New Energy Comprehensive Utilization Project? - HCBBS Forum
  12. 【Guess the Seafood Ingredients】From the vast forests of South America; it looks like dried seafood - HCBBS Forum
  13. For 98% sulfuric acid storage tanks, is it necessary to use a fluorine-lined lining? - HCBBS Forum
  14. [Haichuan Pipeline Construction] Case: In-situ thermoplastic forming method for trenchless repair of drainage pipes - HCBBS Forum
  15. 【Haichuan Teahouse】It’s still a bus after all – why do commuter buses have a fixed capacity, while regular buses can be a bit more crowded? - HCBBS Forum
  16. 【History of Haichuan Pipelines】The pipeline construction team on the China-Russia Eastern Pipeline Line welds 60 joints per day - HCBBS Forum
  17. [Haichuan Tea House] After replying to the post, mark it as read. - HCBBS Forum
  18. A barometer of the dual control measures on energy consumption across the country – see how it is in your province - HCBBS Forum
  19. 【Haichuan Civil Engineering Issues】Current status of personnel at the construction site - HCBBS Forum
  20. [Chemical Equipment Powerful Equipment] 001-Large-size composite plate reactor head is formed by one-time cold pressing - HCBBS Forum
  21. All types of instruments at the first phase of Sinopec Zhenhai Base are connected to a 5G dedicated network - HCBBS Forum
  22. 【Major Equipment in the Chemical Equipment Industry】097 – Domestic Production of Propane Dehydrogenation Reactors - HCBBS Forum
  23. Key aspects and common methods of pile foundation inspection - HCBBS Forum
  24. 【Haichuan Expands Horizons】Shenghong Refining & Chemical’s 145-meter-tall, 2,200-ton torch tower structure along with 8 torch units - HCBBS Forum
  25. 【Haichuan Teahouse】…Saved fires all his life, but couldn’t save himself… - HCBBS Forum
  26. 【Hai Chuan Kai Yan Jiao】Metal spherical tank blasting forming method - HCBBS Forum
  27. Concrete precast piles: how many meters can a pile driver drive in one day? - HCBBS Forum
  28. 【Haichuan Pipeline Construction】Have you ever seen air holes inside pipeline welds? - HCBBS Forum
  29. Why do foreign companies also look for fresh graduates? Aren’t employees with experience in state-owned enterprises more experienced and easier to get started with? - HCBBS Forum
  30. On the 12th anniversary of the commissioning of Zhenhai Refining & Chemical’s first million-ton ethylene plant, a total of 12.85 million tons of ethylene have been produced - HCBBS Forum
  31. 【HaiChuan Safety Discussion】Using stilts to apply paint – is it a clever trick or a violation of rules? - HCBBS Forum
  32. It is predicted that this winter will be extremely cold; have chemical companies taken adequate anti-freezing measures? Pay special attention to blind pipes! ! ! ! ! - HCBBS Forum
  33. Is it better for the equipment manufacturer to purchase the tower internals, or should the owner do it themselves? - HCBBS Forum
  34. 【Haichuan Digital Delivery】Starting from factory buildings - HCBBS Forum
  35. For the first time in thirty years! ! ! Chinese men’s doubles fail to reach the World Table Tennis Championships final! ! ! - HCBBS Forum
  36. Are there any new plants in China that produce synthetic ammonia and urea using natural gas as a raw material? What scale? - HCBBS Forum
  37. The 90% model review for the hydrogen production upgrade and by-product ammonia air separation unit at Zhejiang Baling Hengyi L-caproamide plant has been completed. - HCBBS Forum
  38. 【Haichuan Safety Discussion】Is this kind of pit protection effective? - HCBBS Forum
  39. 【HaiChuan Discussion】Control room operators, how do you protect your eyes? - HCBBS Forum
  40. 【Major Industrial Equipment in the Chemical Industry】062 – Largest Single Seawater Desalination Evaporation Module - HCBBS Forum
  41. 【Haichuan Teahouse】Brain-teasing Series: The Magic Galton Board - HCBBS Forum
  42. 【Haichuan Chemical Salary Updates】Yulin Chemical’s first milestone project – the main substation – has been completed - HCBBS Forum
  43. 【Haichuan Teahouse】A unique phenomenon of Chengdu’s Winter Solstice – the suspended sun - HCBBS Forum
  44. 【Haichuan Teahouse】If you call the number listed on the advertisement on the door to ask them to remove it, what will happen? - HCBBS Forum
  45. [Chemical Equipment Powerful Equipment] 086-China’s first ultra-large ethylene packaged cold box with a total weight of 592 tons - HCBBS Forum
  46. 【HaiChuan Safety Discussion】\"Fakes\" in safety management work” - HCBBS Forum
  47. 【Major Chemical Equipment】094 – China’s Largest New-Type Vertical Waste Heat Boiler - HCBBS Forum
  48. 【Haichuan Chemical Accident Update】Fire breaks out at a conveyor belt during maintenance at a steel plant in Liaoning - HCBBS Forum
  49. 【Haichuan Workplace Night Talk】If you want to succeed, you need a rival! - HCBBS Forum
  50. 【HaiChuan Construction Discussion】For temporary facilities at construction sites, is it cheaper to build prefabricated houses or to rent containers? - HCBBS Forum
  51. 【Major Chemical Equipment Innovations】096 – Development of China’s first horizontal opposed-balanced BOG compressor successful - HCBBS Forum
  52. The world’s first 12,000-kilowatt double-water-cooled steam turbine generator - HCBBS Forum
  53. 【Sea and River Night Talks】There isn’t that much time of peace and tranquility; let’s pay tribute to those who go against the current! - HCBBS Forum
  54. The world’s first 3D-printed steel bridge - HCBBS Forum
  55. 【HaiChuan Safety Discussion】Moving loads with a crane – it is said that this can save the need for a pallet truck - HCBBS Forum
  56. 【Major Industrial Equipment in the Chemical Industry】075-56″ Class900 High-Pressure, Large-Diameter Fully Welded Ball Valve - HCBBS Forum
  57. 【Haichuan Civil Engineering】What are the most commonly overlooked visa items related to earthwork at construction sites? - HCBBS Forum
  58. [Chemical Equipment Powerful Equipment] 127-China’s first dual-mixed refrigerant LNG compressor - HCBBS Forum
  59. 【Ethylene cracking】Are there any insulation requirements for the chimney at the top of the ethylene cracking furnace? Insulation or furnace construction? - HCBBS Forum
  60. How long is the investment payback period for general chemical equipment? ? ? Is shorter the better? - HCBBS Forum
  61. 【HaiChuan Safety Discussion】Indirect expressions actually convey a lot of positive energy - HCBBS Forum
  62. Can bolt holes in steel structures be drilled using lasers or plasmas? - HCBBS Forum
  63. 【Haichuan Teahouse】Is the dowry given by parents to their children considered pre-marital property or joint property of the spouses? - HCBBS Forum
  64. What is the voltage rating of the fans used for circulating water in petrochemical plants, and what power rating should motors generally have? - HCBBS Forum
  65. 【Major Chemical Equipment】074-DN600 Extra-large Diameter P91 Material Y-Type Globe Valve - HCBBS Forum
  66. 【History of Haichuan Petrochemical】Changling Refinery – Code 6501 | China’s first third-line construction project - HCBBS Forum
  67. 【Sea River Night Talk】Is it good to have a company that offers 85 days of vacation? - HCBBS Forum
  68. Is carbon footprinting getting started in earnest? What to do? - HCBBS Forum
  69. 【Major Chemical Equipment】040 – The World’s Largest EOEG Washing Tower - HCBBS Forum
  70. 【Haichuan Workplace Chat】Does your company have a general manager’s mailbox? Where should it be placed? - HCBBS Forum
  71. I would like to ask: How is the pass rate for ultrasonic testing of welds calculated? - HCBBS Forum
  72. 【Haichuan Civil Engineering Issues】What kind of junction box is this, and can wiring be done in this way? - HCBBS Forum
  73. [Chemical Equipment Powerful Country and Important Equipment] 028-Chinese Shipbuilding Industry Corporation No. 711 Institute localized large-scale fully welded plate heat exchanger - HCBBS Forum
  74. What would you like to say about the cyclohydrogen compressor for aromatic isomerization? ? - HCBBS Forum
  75. 【Haichuan 119】Two factory fires in one day; stricter controls on flammable materials needed - HCBBS Forum
  76. Sinopec invests 8.3 billion to build a 6.5 million tons/year Longkou LNG receiving terminal - HCBBS Forum
  77. 【Haichuan Safety Discussion】Take a look at these crane operators’ leg-moving tricks – what you’ll see on the second floor will definitely change your perspective! ! ! - HCBBS Forum
  78. 【Haichuan Teahouse】Brain-teasing Series: Even elementary school students who don’t understand similar triangles can solve it - HCBBS Forum
  79. 【Hechuan Modular Installation Discussion】Take a look at the requirement to wear clothes and hats before lifting equipment that has been in use since the 1970s - HCBBS Forum
  80. [Ocean Chemical Engineering] The price of rebar has soared to over 6,000. Will it have an impact on your project? - HCBBS Forum
  81. 【Major Chemical Equipment in China】061 – Completion of the acetylene cracking gas compression unit for a major domestic project - HCBBS Forum
  82. [History of Haichuan Pipeline] The first hot-rolled seamless steel pipe on October 27, 1953 - HCBBS Forum
  83. 【Major Industrial Equipment in the Chemical Industry】081 – The world’s first and largest-proDUCTION-capacity propane dehydrogenation product separation tower - HCBBS Forum
  84. 【Major Equipment in the Chemical Engineering Sector】083 – The China-Russia East Gas Pipeline (within Chinese territory) uses entirely domestically produced steel pipes - HCBBS Forum
  85. 【Major Industrial Equipment in the Chemical Industry】064-World’s First 3,000-ton Oil Sludge Gasification Furnace - HCBBS Forum
  86. 【Tour of Overseas Petrochemical Projects】Chimkent Refinery in Kazakhstan – A Key Project under China-Kazakhstan Capacity Cooperation for the Modernization of CNPC’s Facilities - HCBBS Forum
  87. 【Haichuan Equipment Guessing Game】Fully absorb the heat from raw materials to achieve emission reduction goals - HCBBS Forum
  88. 【Sea and River Safety Discussion】Installing steel structures in high-rise buildings in the 1980s – we certainly wouldn’t dare to do that today! - HCBBS Forum
  89. 【Haichuan Teahouse】The fourth wave of cold weather is moving southward; remember to dress warmly! - HCBBS Forum
  90. 【Haichuan Expands Horizons】China’s Largest New-Type Vertical Waste Heat Boiler - HCBBS Forum
  91. 【Haichuan Teahouse】Pay attention to the details - HCBBS Forum
  92. [Haichuan Hydrogen Energy] The Chengdu-Chongqing Hydrogen Corridor is being launched to accelerate the development of the hydrogen fuel cell vehicle industry - HCBBS Forum
  93. 【Major Chemical Equipment in China】072 – Yantai Wanhua’s 1 million-ton ethylene cracking furnace complex modules - HCBBS Forum
  94. Domestically produced molten salt valves for photothermal power generation - HCBBS Forum
  95. 【HaiChuan Modularization Discussion】All 18 heating furnace modules for Guangdong Refining & Chemical’s 10,270-ton capacity facility have been installed - HCBBS Forum
  96. China’s first high-sulfur compressor unit debuts at Sinopec Puguang Gas Field - HCBBS Forum
  97. Hengli Petrochemical has invested a total of 20 billion yuan to build a 1.6 million tons/year high-performance resin and new material project on Changxing Island. - HCBBS Forum
  98. What are the length specifications for precast concrete piles? Do the piles need to be customized? - HCBBS Forum
  99. 【Haichuan Teahouse】There is no toll for large buses during festivals – will that lead to fewer people driving out? - HCBBS Forum
  100. 【Haichuan Equipment Guessing Game】Critical equipment in energy companies, prone to fires - HCBBS Forum
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