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  1. 【Haichuan Teahouse】How fast time passes; another half year has gone by - HCBBS Forum
  2. 【Major Industrial Equipment in the Chemical Engineering Sector】002 – Domestic-made shallow-water subsea wellheads and production trees - HCBBS Forum
  3. 【Haichuan Equipment Guessing Game】A lid and a short circuit connection, plus a chain – is it to prevent things from falling? - HCBBS Forum
  4. 【Haichuan Safety Discussion】If you prepare a scissor lift, they wouldn’t act like this either - HCBBS Forum
  5. Ningxia Coal’s 4 million tons per year coal indirect liquefaction technology package was awarded the **First Prize for Scientific and Technological Progress** - HCBBS Forum
  6. 【Haichuan Expands Horizons】Installation of the trough-type overflow tank in solar thermal projects - HCBBS Forum
  7. 【Major Chemical Equipment】110 – The first four-nozzle gasification furnace with a nickel-based alloy clad on its inner wall, capable of handling 3,300 tons of coal per batch - HCBBS Forum
  8. 【Major Chemical Equipment in China】051 – China’s largest 4.2 million tons/year heavy oil catalytic cracking unit: “Two Units”” - HCBBS Forum
  9. Why are the tourist service centers in scenic areas nowadays located so far away from the actual scenic spots? - HCBBS Forum
  10. [Haichuan Chemical Engineering News] Guang’an to Build the World’s Largest Sulfonated Diphenyl Glycine Production Facility with an Annual Output of 500,000 Tons - HCBBS Forum
  11. The top 10 epoxy resin manufacturers in the world in 2020 – all American companies! - HCBBS Forum
  12. 【Haichuan Equipment Guessing Game】Key equipment for the \"lungs of industry\" - HCBBS Forum
  13. [Haichuan Modular Installation] Modular production of gasoline hydrogenation unit of Guangdong Petrochemical ethylene plant - HCBBS Forum
  14. Tendering has begun for the general contract of the Chenghai Yixin natural gas distributed energy project - HCBBS Forum
  15. 【Haichuan Teahouse】Great news for the new year! The Chinese women’s football team has won the Asian Cup title once again - HCBBS Forum
  16. 【HaiChuan Teahouse】Shanghai’s hydrogen fuel subsidy policy announced – is the era of hydrogen energy here? - HCBBS Forum
  17. [Sea and River Food Talk] 100 famous Chengdu dishes unveiled #Is there any you like? - HCBBS Forum
  18. 【Major Chemical Equipment in a Major Country】063 – The First Domestic N08810 (nickel-based alloy) Cold Hydrogenation Reactor - HCBBS Forum
  19. 【Haichuan Chemical New Technology Expo】Application of inorganic plasticized microporous insulation panels in building insulation to achieve energy conservation and emission reduction - HCBBS Forum
  20. [History of Haichuan Pipeline] The longest hydrogen transmission pipeline "Baling-Changling" hydrogen pipeline - HCBBS Forum
  21. [Haichuan Civil Engineering Problems] What to do if there is water seepage in the basement of the building - HCBBS Forum
  22. 【Major Industrial Equipment in the Chemical Industry】026 – The First Set of Domestic Electrically-Driven High-Pressure Centrifugal Gas Storage Compressor Units - HCBBS Forum
  23. 【Major Equipment in the Chemical Equipment Industry】Domestic production of 4.2MPa high-pressure plate heat exchangers for 073-ethylene glycol plants - HCBBS Forum
  24. 【Haichuan Teahouse】There are still quite a few viewers at Shuimen Bridge - HCBBS Forum
  25. 【Haichuan Teahouse】The Brain-Teasing Series is back again - HCBBS Forum
  26. 【History of Haichuan Pipelines】China’s first self-designed 12-meter deep-hole drilling machine - HCBBS Forum
  27. What is a pond-type reactor for urea, and what are its characteristics? ? - HCBBS Forum
  28. [Haichuan Civil Engineering Issue] For the exterior double-row scaffolding bracing in the main structure construction, should there be one or two vertical poles? - HCBBS Forum
  29. 【Haichuan Teahouse】This can be cited as a reason for losing to Vietnam - HCBBS Forum
  30. 【Major Industrial Equipment in the Chemical Industry】115 – China’s first domestically produced cage-type throttle valve with a pressure rating of 140 megapascals - HCBBS Forum
  31. Performance specifications for paint products – Are there any requirements regarding low-temperature performance for paints used in chemical plants in the Northeast region? - HCBBS Forum
  32. What is the 847 coating used to prevent scale on the surface of heat exchange tubes? ? - HCBBS Forum
  33. 【Ethylene Cracking】Summary Post on Discussion of Cracking Furnace Equipment Components - HCBBS Forum
  34. [Haichuan Engineering News] Foundation-laying ceremony held in Yangquan for Duofu’s project to produce 20,000 tons per year of lithium hexafluorophosphate and related additives - HCBBS Forum
  35. [Haichuan Digital Delivery] Case Study: Schneider Electric Helps Sanning Chemicals Set a New Benchmark for Digitalization through Digital Delivery - HCBBS Forum
  36. 【Sea and River Safety Discussion】Does wearing a vest equal having an amulet? - HCBBS Forum
  37. Anticorrosion requirements for high-temperature resistant anticorrosive coatings for industrial pipelines - HCBBS Forum
  38. 【Hai Chuan’s Tip】Common folk methods for unclogging pipes - HCBBS Forum
  39. 【Sea and River Night Talks】Many disappointments don’t stop you from appreciating the beauty around you! - HCBBS Forum
  40. 【Major Equipment in the Chemical Engineering Sector】029 – Domestic production of mechanical seals for butadiene recycle gas compressors - HCBBS Forum
  41. Comparison of horizontal and vertical three-phase separators - HCBBS Forum
  42. Equipment management three-level maintenance - HCBBS Forum
  43. [Chemical Equipment Powerful Country and Important Equipment] 068-Shanxi manufactures large-scale ammonia synthesis tower - HCBBS Forum
  44. 【Haichuan Safety Discussion】Multiple Images on Ladders Series - HCBBS Forum
  45. What is a clip-type heat exchanger? ? ? - HCBBS Forum
  46. 【Haichuan Chemical Workplace】Will you be fired if you go on a trip while on sick leave? - HCBBS Forum
  47. The Tarim Oil Field has built the largest ethane recovery unit of its kind in China - HCBBS Forum
  48. 【Haichuan Teahouse】Canned yellow peaches are sweet, but what does canned laughter taste like? - HCBBS Forum
  49. Can TOFD testing be used for inspecting welds such as those in pipe elbows? What is the minimum diameter? - HCBBS Forum
  50. Sinopec's first million-ton CCUS project is expected to be put into operation by the end of the year - HCBBS Forum
  51. 【History of Haichuan Pipeline】Phased completion of China’s longest coalbed methane long-distance pipeline project - HCBBS Forum
  52. Nowadays, towers are lifted as a whole; how should the disturbance caused by lifting be taken into account? Do I need to calculate it? - HCBBS Forum
  53. Beijing Research Institute of Chemical Industry’s “60,000 tons/year PBST process package passed group review - HCBBS Forum
  54. 【Haichuan Teahouse】Li Bing’s methods from two thousand years ago are still effective - HCBBS Forum
  55. With rising natural gas prices, Total has shut down its 43,500 barrels per day mild hydrocracking unit (MHC). - HCBBS Forum
  56. 【Haichuan Equipment Guessing Game】A tall base serves as a footrest; four brothers stand in a row - HCBBS Forum
  57. 【Sea and River Safety Discussion】Does safety management cover everything really? ! - HCBBS Forum
  58. 【Sea River Night Talk】Why don’t leaders call people directly, but instead ask someone else to pass the message? - HCBBS Forum
  59. 【Haichuan Safety Discussion】Shopping in this way is very convenient - HCBBS Forum
  60. 【SeaChuan Safety Discussion】Mechanical demolition of cooling towers: Is it safer, or are complex issues created by simplifying things? - HCBBS Forum
  61. 【Haichuan Civil Engineering Issues】How to manage concurrent operations with multiple contractors? - HCBBS Forum
  62. Those who have drawn diagrams, take a look and see which one is the authentic one - HCBBS Forum
  63. What is the principle behind the rapid ice production in fast-food restaurants? - HCBBS Forum
  64. 【Haichuan Teahouse】Why is seawater salty, but it becomes fresh when it freezes? - HCBBS Forum
  65. [Haichuan Tea House] There was a power outage before, but now the internet is out! ! ! - HCBBS Forum
  66. Shanghai Safety and Quality Supervision: Outdoor operations are not allowed during high temperature orange warning periods - HCBBS Forum
  67. [Haichuan Teahouse] How dare they call it an easy question – can you even do it? - HCBBS Forum
  68. Several questions regarding semi-jacketed containers - HCBBS Forum
  69. 【HaiChuan Safety Discussion】Having never suffered any losses, there’s nothing to fear - HCBBS Forum
  70. 【Sea and River Safety Discussion】It’s too hot - HCBBS Forum
  71. 【Haichuan Safety Discussion】Forgot to bring the crane counterweight? Everyone, help maintain balance! - HCBBS Forum
  72. 【Haichuan Expands Horizons】A gas cylinder carried on top of a forklift - HCBBS Forum
  73. 【Ethane steam cracking】Can China produce cracking furnaces for ethane steam cracking? ? - HCBBS Forum
  74. 【Major Industrial Equipment in the Chemical Industry】027 – SHENGU’s first domestically produced PDH compressor in China has passed acceptance testing - HCBBS Forum
  75. 【Haichuan Teahouse】Brain-teasing Series: Calculate area without knowing side lengths - HCBBS Forum
  76. [Chemical Equipment Powerful Equipment] 082-Nationally produced printed plate heat exchanger - HCBBS Forum
  77. Why are steel sheet piles called Larsen piles? - HCBBS Forum
  78. [Chemical Equipment Powerful Equipment] 008-Large diameter, high pressure axial flow check valve - HCBBS Forum
  79. 【Haichuan Teahouse】Guess how the match against Oman will turn out tomorrow? - HCBBS Forum
  80. The relocation of CNPC Dalian Petrochemical to Xizhongdao is expected to begin next year - HCBBS Forum
  81. 【Haichuan Teahouse】I regret not studying more when I was young! - HCBBS Forum
  82. Crude oil has hit $100 and gasoline prices have increased again. Will you buy this year’s new energy vehicles? - HCBBS Forum
  83. [Haichuan Chemical Engineering News] Dalian Heavy Industry signs EPC contract for 400,000 tons/year calcium carbide project - HCBBS Forum
  84. Don’t you know the types and tastes of the most common pumpkins in your life? ? ? - HCBBS Forum
  85. 【Sea and River Safety Discussion】Using technologies such as augmented reality (AR) and virtual reality (VR) for safety training - HCBBS Forum
  86. 【Hydrogen Energy】China’s first skid-mounted natural gas hydrogen production unit with independent intellectual property rights, capable of 250 m³/h output, has been successfully commissioned - HCBBS Forum
  87. What is ammonium chloride? ? ? - HCBBS Forum
  88. Photovoltaic hydrogen production and the world’s largest photovoltaic hydrogen production facility - HCBBS Forum
  89. What are these triangular holes on the top of crude oil storage tanks for? - HCBBS Forum
  90. [Haichuan Equipment Check] There are holes all over the body - HCBBS Forum
  91. 【Sea and River Ingredients Guessing Game】Even stinky tofu has to yield to it - HCBBS Forum
  92. 【Haichuan Explores the World】Producing gasoline from carbon dioxide and hydrogen! ! - HCBBS Forum
  93. 【Haichuan Safety Discussion】Identifying hazard sources is the first step in safety management/risk management - HCBBS Forum
  94. 【Haichuan Teahouse】 Guess everyone, which movie is this? - HCBBS Forum
  95. 【Haichuan Safety Discussion】Is it really that little time is lacking? Fire caused by painting on the back side of welded areas - HCBBS Forum
  96. 【Haichuan Teahouse】Brain-teasing Series: Turning corners and taking detours to find the length - HCBBS Forum
  97. 【Haichuan Teahouse】Brain-teasing Series: Feels completely clueless - HCBBS Forum
  98. 【Haichuan Equipment Guessing Game】What are these small squares on the circumferential welds for? - HCBBS Forum
  99. 【Sea and River Safety Discussion】Sir, how can you get out like this with the rebar tied up? - HCBBS Forum
  100. The Guoneng Jinjie CCUS project, the largest carbon dioxide capture demonstration project for thermal power plants in China, has been officially put into operation - HCBBS Forum
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