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  1. 【HaiChuan Petrochemical Project Updates】First large-scale equipment for Hainan Refining & Chemicals’ ethylene plant delivered to site - HCBBS Forum
  2. 【Haichuan Equipment Guessing Game】The largest chemical processing equipment transported on the Chuanjiang River - HCBBS Forum
  3. 【Haichuan Equipment Guessing Game】Hanging a red lantern adds more festivity - HCBBS Forum
  4. Are there any reciprocators driven by steam turbines? - HCBBS Forum
  5. The Ministry of Ecology and Environment releases 8 typical cases in the field of emission permits - HCBBS Forum
  6. 【Major Equipment in the Chemical Equipment Industry】081 – Large-scale Esterification Reactor for Polyester Projects - HCBBS Forum
  7. 【Major Chemical Equipment in a Global Powerhouse】047 – Shenghong Refining & Chemicals’ 16 million tons per year refining project: 14-meter-diameter vacuum tower - HCBBS Forum
  8. 【Haichuan Teahouse】Brain-teasing Series: Keeping things straight and aligned is important - HCBBS Forum
  9. 【Haichuan WeChat Group】Parallel heat exchangers: Why does the flow rate decrease when the valve is opened wider? - HCBBS Forum
  10. 【Haichuan Teahouse】There’s not a word related to alcohol in it, yet reading it makes one feel drunk - HCBBS Forum
  11. 【Sea and River Night Talks】The Rising Chinese Manufacturing - HCBBS Forum
  12. 【Haichuan Teahouse】We should learn from employees like this* - HCBBS Forum
  13. Did this worker originally study art? - HCBBS Forum
  14. Which one would you choose, the beef anterior tendon or the beef posterior tendon? Which one tastes better? - HCBBS Forum
  15. 【Major Equipment in the Chemical Engineering Sector】084 – The core control equipment for the China-Russia East Natural Gas Pipeline: Large-diameter fully welded ball valves - HCBBS Forum
  16. The feeding and commissioning of the ethylbenzene unit in the POSM plant of Tianjin Bohua’s ‘dual transformation’ project was successful on the first attempt - HCBBS Forum
  17. 【Major Equipment in the Chemical Equipment Industry】031 – China’s first atmospheric-pressure raw gas compression unit - HCBBS Forum
  18. What should engineers do if they don’t have CAD? - HCBBS Forum
  19. 【Major Equipment in the Chemical Equipment Industry】126-**Domestic production of high-pressure LNG pumps for pipeline systems** - HCBBS Forum
  20. How long is the duration of emergency lighting in the power distribution room? - HCBBS Forum
  21. How is the carbon dioxide gas supplied for MIG welding in the steel structure factory? - HCBBS Forum
  22. BASF builds new tert-butyl acrylate plant in Nanjing - HCBBS Forum
  23. 【Haichuan Teahouse】Brain-Teasing Series - HCBBS Forum
  24. [Haichuan Teahouse] Everyone worked hard for a midnight snack - HCBBS Forum
  25. What kind of valve is a BELLOW SEAL Valve? - HCBBS Forum
  26. 【Hydrogen Energy】Sinopec Guangzhou Petrochemical supplies over 320 tons of hydrogen to the Guangdong-Hong Kong-Macao Greater Bay Area - HCBBS Forum
  27. 【Haichuan Food Talk】Plant-based meat that can reduce fat content by 60% – would you like to try it? ? - HCBBS Forum
  28. 【Haichuan Civil Engineering】Concrete Curing: Is it before final setting or after final setting? - HCBBS Forum
  29. Why is this bracket designed this way? What are the considerations? - HCBBS Forum
  30. How are the 4 coal-to-natural gas projects that have been put into operation in our country performing currently? - HCBBS Forum
  31. 【History of Haichuan Pipeline】20061231 Shijiazhuang–Taiyuan refined oil pipeline - HCBBS Forum
  32. Two 800,000-ton-per-year coal-to-olefins projects commenced construction in Wucaiwan, Jungdong - HCBBS Forum
  33. 【SeaChannel Safety Discussion】A seemingly simple scaffold support can have so many problems - HCBBS Forum
  34. 【Haichuan Equipment Guessing Game】An internal crosshead, arranged in neat rows - HCBBS Forum
  35. 【Haichuan Expands Horizons】See how it’s done in practice for vertebra manipulation - HCBBS Forum
  36. Shandong plans to withdraw 7.4 million tons of production capacity from three local refinery companies, Haike Chemical, Guangrao Kelida and Chengda New Energy. - HCBBS Forum
  37. 【Haichuan Teahouse】What do you think of this Apple design? It seems it can be canceled - HCBBS Forum
  38. Dear welding colleagues, what type of submerged arc welding wire and flux should be used for welding Q460? - HCBBS Forum
  39. 【Haichuan Teahouse】What do you think of the internet-famous milk tea that costs 500 yuan per cup? - HCBBS Forum
  40. What is DDP delivery to site? ? ? - HCBBS Forum
  41. 【Haichuan Safety Discussion】A cockroach can cause an accident! Have you checked the pest prevention measures for the electrical equipment? - HCBBS Forum
  42. Summary of safety accident cases caused by instrument problems - HCBBS Forum
  43. 【Haichuan Teahouse】Shenzhou-13 crew conducts first in-orbit emergency evacuation drill - HCBBS Forum
  44. 【Haichuan Equipment Guessing Game】The mechanical powerhouse of the air separation plant - HCBBS Forum
  45. 【Sea and River Night Talks】Revisiting \"The Shawshank Redemption\": Why Read So Many Books? - HCBBS Forum
  46. 【Haichuan Teahouse】Freezing rain is here; drive slowly! - HCBBS Forum
  47. A small plastic invention completely transformed the fields of construction and DIY - HCBBS Forum
  48. 【Guess the Sea and River Ingredients】Referred to as the king of dried fruits, it is grown in Guangxi - HCBBS Forum
  49. 【Haichuan Equipment Guessing Game】It looks like a claw fence. Power plant environmental protection equipment - HCBBS Forum
  50. 【Haichuan Teahouse】Brain-teasing Series: Oddly-shaped final questions - HCBBS Forum
  51. 【Haichuan Sharing】Shocking! ! ! Various pipeline corrosion incidents - HCBBS Forum
  52. 【Haichuan Teahouse】Do you require your child’s sports shoes to be from a famous brand? - HCBBS Forum
  53. 【Major Equipment in the Chemical Engineering Sector】Domestic production of 0.222–350,000-ton extrusion granulators - HCBBS Forum
  54. 【Major Equipment in the Chemical Equipment Industry】042 – The first DN4000, H≈16830 STHE series propane dehydrogenation reactor inlet/outlet heat exchangers - HCBBS Forum
  55. 【Tour of Overseas Petrochemical Projects】Kazakhstan’s Atrau Refinery Wins the First Luban Award for a Petrochemical Engineering Company (Overseas Project) - HCBBS Forum
  56. 【HaiChuan Spend Money】Wish happiness on this beautiful day with the full moon; pray for safety no matter where one is in the world - HCBBS Forum
  57. 【Haichuan Hydrogen Energy】What are the disruptive applications of hydrogen fuel cells? - HCBBS Forum
  58. The slurry-bed residue hydrogenation technology with a design conversion rate of 94% has been successfully industrialized in China - HCBBS Forum
  59. 【Haichuan Teahouse】What you see is different; perhaps it’s because of your different perspective - HCBBS Forum
  60. 【Haichuan Teahouse】\"A cup that couldn’t be made even if all the glass materials on Earth were used up,\" - HCBBS Forum
  61. 【Haichuan Teahouse】How to divide it into two quickly - HCBBS Forum
  62. A watermelon that looks like both winter melon and pumpkin - HCBBS Forum
  63. 【HaiChuan Discussion】Under the dual-control measures, a number of enterprises have reduced production and stopped operations – how is your enterprise doing? - HCBBS Forum
  64. 【Ethylene cracking】What are the manufacturing challenges of the primary quencher (waste heat boiler) in an ethylene cracking furnace? Can it be manufactured domestically? - HCBBS Forum
  65. When welding steel structures using submerged arc welding, how many kilograms of flux are needed per kilogram of welding wire? - HCBBS Forum
  66. 【Haichuan Hydrogen Energy】Japan seeks to build a global hydrogen energy supply chain - HCBBS Forum
  67. [Ocean Chemical Talk] Is CCUS project design a big market for process design in the future? - HCBBS Forum
  68. 【Chemical Industry Frontiers】Industrial demonstration plant for high-regularity polybutene-1 successfully commissioned at Zhenhai Refining & Chemical Co - HCBBS Forum
  69. 【Learning from History】The Cangzhou Iron Lions, which have stood for a thousand years yet were damaged due to improper protection by experts - HCBBS Forum
  70. In 2022, China is expected to see the commissioning of new polyethylene production facilities with a capacity of 5.1 million tons - HCBBS Forum
  71. Coal-based ethylene glycol accounts for over half of it, with 90% being used in polyesters - HCBBS Forum
  72. 【Ethylene cracking】Are there still gas fields in China rich in ethane? ? - HCBBS Forum
  73. 【Haichuan Teahouse】Too many lines are also a source of distraction - HCBBS Forum
  74. 【Haichuan Night Talk】Is it important or not? - HCBBS Forum
  75. 【Sea and River Safety Discussion】Oxyacetylene cutting operations 80 years ago - HCBBS Forum
  76. 【Haichuan Teahouse】It’s Double 11 again – have you made your purchase? - HCBBS Forum
  77. 【Haichuan Teahouse】The largest mandarin duck pot - HCBBS Forum
  78. 【Haichuan Teahouse】It’s Sunday again today; the hot season has begun! ! ! ! - HCBBS Forum
  79. [Haichuan Teahouse] Compromise between rules and convenience - HCBBS Forum
  80. 【Haichuan Teahouse】On the seventh day of the Lunar New Year, has everyone gone back to work? - HCBBS Forum
  81. 【Haichuan Teahouse】Can you see the super blood moon tonight? - HCBBS Forum
  82. 【SeaRiver Safety Discussion】Damaged fire doors in electrical distribution rooms - HCBBS Forum
  83. Clariant supplies catalysts and exothermic materials for Shinpo Chemical’s new 900,000-ton PDH project ( - HCBBS Forum
  84. 【Haichuan Teahouse】Brain-teasing Series: The answer is obvious; how to figure it out by drawing a diagram - HCBBS Forum
  85. As a graduate of a prestigious university, what would you think if your supervisor was just from an ordinary second-tier university? - HCBBS Forum
  86. [Haichuan Teahouse] accidentally set a record! ! ! ! ! - HCBBS Forum
  87. 【Haichuan Teahouse】Guangdong people have arrived at Flower-Fruit Mountain – Guess the seasonal fruit - HCBBS Forum
  88. 【Haichuan Teahouse】Brain-teasing Series: How to Go from Small to Large - HCBBS Forum
  89. 【Haichuan Teahouse】See what it means to go by the actual item! - HCBBS Forum
  90. With the elimination of low-power calcium carbide furnaces and open calcium carbide furnaces, is the spring of natural gas acetylene production coming? ? - HCBBS Forum
  91. 【Haichuan Pipeline Construction】What kind of pipes are connected to this distributor? - HCBBS Forum
  92. CNPC has set a goal to transform itself into a comprehensive energy company focusing on oil, gas, heat, electricity, and hydrogen, with the aim of reaching carbon peak by 2025! - HCBBS Forum
  93. 【Haichuan 119】Is the bathroom in the staff dormitory well-ventilated in winter? Has it been checked? - HCBBS Forum
  94. [Repost] Are your company facing any of the issues identified during the special supervision and inspection of enterprises with major hazardous chemical sources? - HCBBS Forum
  95. 【Haichuan Teahouse】Do you like eight-treasure porridge? Is it always like this that people complain? - HCBBS Forum
  96. Changsheng Coal Gasification 1.8 million tons/year coking supporting coke oven gas comprehensive utilization project - HCBBS Forum
  97. 【HaiChuan Construction Discussion】Key Points to Consider in the Layout of Construction Sites - HCBBS Forum
  98. 【Haichuan Teahouse】Daily charging volume on the highway reaches nearly 4 times the normal level, setting a new record - HCBBS Forum
  99. 【Major Chemical Equipment】085 – 56-inch ball valve for the China-Russia East Route (Heihe-Changling section) natural gas pipeline project - HCBBS Forum
  100. Will the heat transfer oil circulate and the diameter of the pump outlet to the inlet be changed? Will this cause the pump to hold pressure? - HCBBS Forum
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