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  1. It’s been implemented: The State Council has approved a joint restructuring of Sinochem Group and China National Chemical Corporation - HCBBS Forum
  2. 【Major Chemical Equipment】039-2×2.25 million tons/year – the largest p-xylene adsorption tower - HCBBS Forum
  3. Trading in the national carbon market has commenced - HCBBS Forum
  4. 【Major Chemical Equipment in China】124 – China’s First Acidic Moisture Compressor - HCBBS Forum
  5. [Haichuan Equipment Guess] Normal pressure equipment pan to achieve clean water circulation - HCBBS Forum
  6. It trips as soon as power is supplied – what could be the reason? - HCBBS Forum
  7. 【Haichuan Teahouse】If tree planting is used to reach carbon peak, how many trees need to be planted? - HCBBS Forum
  8. 【Haichuan Insights】World’s largest styrene plant reactor arrives at the refining facility in Guangdong - HCBBS Forum
  9. 【Share】Take a look at the power of machinery: a small chain flipped over a 30-ton steel plate! - HCBBS Forum
  10. Chinese local refineries processed 111.08 million tons of crude oil in the first half of the year - HCBBS Forum
  11. 【History of Haichuan Pipes】20211112 – Baoji Steel Pipe produced the steel pipes with the largest diameter currently in use by China National Petroleum, at 3448 millimeters - HCBBS Forum
  12. 【Major Chemical Equipment】035 – China’s first set of multi-stage centrifugal high-pressure ammonium methoxide pumps - HCBBS Forum
  13. 【Ethylene cracking】Why are the convection modules of Sinopec’s cracking furnaces so tall? - HCBBS Forum
  14. 【Haichuan Equipment Guessing Game】Bottom fan-shaped nozzles, commonly used for fish farming - HCBBS Forum
  15. 【Haichuan Teahouse】Why do people prefer to sit in the front seat when taking a taxi - HCBBS Forum
  16. 【Haichuan Teahouse】Brain-Training Series: Daily Practice for Middle School Students - HCBBS Forum
  17. 【Major Industrial Equipment in the Chemical Industry】092-20-inch Coal Chemical Lock Hopper System Double Disc Valve - HCBBS Forum
  18. 【Haichuan Teahouse】Do you know what a senior primary school teacher used to be called back in those days? - HCBBS Forum
  19. 【Haichuan Pipeline Construction】What is this welder sticking into the weld? - HCBBS Forum
  20. [Haichuan Civil Engineering Problem] How about transporting concrete in this way? - HCBBS Forum
  21. 【Haichuan Teahouse】Three principles for doing things: think first before acting - HCBBS Forum
  22. In 2022, China’s PX capacity utilization rate is expected to drop to around 61% - HCBBS Forum
  23. [Haichuan Civil Engineering Construction Issues] Is steel rebar or plastic better for shims? - HCBBS Forum
  24. Transporting a 374-ton hydrocracking reactor 40 years ago - HCBBS Forum
  25. Where does the disposal of product welding test specimens and remaining specimens require storage in the physical and chemical room for 3 to 6 months? - HCBBS Forum
  26. Will the thermal conductivity of carbon steel pipes change after they are painted? - HCBBS Forum
  27. 【Haichuan Teahouse】The Major Heat season has arrived—amidst the scorching heat, we wish you a peaceful summer - HCBBS Forum
  28. 【Major Chemical Equipment】066 – The Largest Single Unit Heating Furnace Exported Abroad - HCBBS Forum
  29. 【Sea and River Safety Discussion】Do containers holding hazardous waste or chemical substances count as hazardous waste? - HCBBS Forum
  30. 【Haichuan Pipeline Construction】Are the pipeline supports manufactured on-site? Is it better to buy a ready-made product? - HCBBS Forum
  31. [Haichuan Civil Engineering] The cast-in-place ditch cover has collapsed – what’s the reason? - HCBBS Forum
  32. 【Haichuan Teahouse】 Guess: Are Sun Tao’s shoes from Hongxing Erlke? - HCBBS Forum
  33. 【History of Haichuan Pipelines】20190111: Gasunie launched its first 12-kilometer hydrogen pipeline - HCBBS Forum
  34. 【Haichuan Food Talk】What Exactly Is Qianlong Cabbage? - HCBBS Forum
  35. 【Major Equipment in the Chemical Engineering Sector】Modular fabrication of 101-160m3 liquid ammonia/LNG marine fuel tanks - HCBBS Forum
  36. 【Haichuan Teahouse】The same scene that plays out every time at this time - HCBBS Forum
  37. 【Major Equipment in the Chemical Equipment Industry】102 – Domestic-made large valves for ethylene cracking gas - HCBBS Forum
  38. 【Haichuan Civil Engineering Issues】Key points for inspection during foundation pit construction - HCBBS Forum
  39. [History of Haichuan Pipeline] On 20210526, the newly built crude oil pipeline in Puluo used a self-developed self-crawling internal detector to facilitate oil and gas pipeline inspection - HCBBS Forum
  40. Why do the small pipes coming out of chlorine gas cylinders get clogged, and what can be done to solve this problem? - HCBBS Forum
  41. CNOOC’s world’s first diesel aromatics adsorption separation technology achieves million-ton-scale application and full-process implementation - HCBBS Forum
  42. 【Carbon Neutrality】Chinese scientists convert CO? directly into solid carbon! Another technological breakthrough or just a gimmick? ? ? - HCBBS Forum
  43. 【Haichuan Construction Discussion】It is said that laying cables this way saves effort! - HCBBS Forum
  44. Faulty operation by the instrumentation engineer caused an LNG injection fire accident - HCBBS Forum
  45. 【Haichuan Equipment Guessing Game】Whose beehive is this big? ? ? - HCBBS Forum
  46. 【Hai Chuan Opens His Eyes】Take a look at how boilers were installed a hundred years ago - HCBBS Forum
  47. Let’s take a look at how the welding of this branch pipe is Is there something wrong with this opening position? - HCBBS Forum
  48. 【Haichuan Food Talk】Did you know? Pi County doubanjiang was actually invented by Hu Jianren - HCBBS Forum
  49. 【Haichuan Safety Discussion】You enjoy the scenery in the car, while those watching the scenery watch you from the building. - HCBBS Forum
  50. 【Sea and River Food Talk】Following the Burned Noodles Academy, the Meishan Sichuan Cuisine Academy has arrived too - HCBBS Forum
  51. [Ethylene Cracking] Is the steel structure furnace structure for ethylene cracking produced by one manufacturer or several? - HCBBS Forum
  52. 【HaiChuan Chemical Engineering Discussion Forum】How to calculate the length of electrical cables - HCBBS Forum
  53. The ZCC3200NP, equipped with a heavy-duty fixed auxiliary arm, is used to lift the 1,850-ton Shenghong Refining & Chemical Plant’s No. 1 propylene tower - HCBBS Forum
  54. Shanxi Meijin Hydrogen’s project for producing 20,000 tons of industrially high-purity hydrogen per year has been completed and put into operation - HCBBS Forum
  55. [Guess what Haichuan Equipment] What are you doing carrying a bunch of dried squid? / - HCBBS Forum
  56. 【Haichuan Teahouse】Brain-teasing Series: It is said to be possible to calculate it by hand directly - HCBBS Forum
  57. 【Sea and River Night Talk】What are the five most important things? - HCBBS Forum
  58. 【Guess the Scenic Spots by HaiChuan】Carvings of special characters that are considered treasures, but often criticized - HCBBS Forum
  59. [Haichuan Equipment Guess] What are these two wine bottle-shaped devices? - HCBBS Forum
  60. 【Major Chemical Equipment in China】053 – Domestic production of hydrogenation reactors for large-scale styrene plants - HCBBS Forum
  61. 【Haichuan Equipment Guessing Game】Looks like a small comb, drawing squares everywhere - HCBBS Forum
  62. 【Haichuan Teahouse】Do you know what the Tyndall effect is? - HCBBS Forum
  63. 【Frontiers in Chemical Technology】35-year-old Chinese scientist increases efficiency of converting CO2 to ethylene to 60% - HCBBS Forum
  64. 【HaiChuan Discussion】New approaches for ammonia synthesis plants: New processes convert liquid ammonia directly into hydrogen - HCBBS Forum
  65. 【Major Chemical Equipment Innovations】038 – The largest domestic EO reactor with a diameter of Ф8.8 meters, featuring an oversized tube sheet forging - HCBBS Forum
  66. Principle of Desulfurization using Wet PDS Tannin.docx - HCBBS Forum
  67. 【Haichuan Teahouse】Brain Series: Do you know Van Auber's theorem? - HCBBS Forum
  68. 【Haichuan Teahouse】I guess you won’t either - HCBBS Forum
  69. After a push, the glory of those days was gone forever—the tower equipment was removed - HCBBS Forum
  70. 【Haichuan Equipment Guessing Game】A small mirror, related to safety - HCBBS Forum
  71. 【Haichuan Teahouse】Can you believe it? This item that every household uses turned out to be an invention of the Chinese - HCBBS Forum
  72. 【Sea and River Night Talks】This Era and You in This Era - HCBBS Forum
  73. 【Haichuan Teahouse】The Old Man Happy has been included in the category of micro-vehicles – what’s your opinion? - HCBBS Forum
  74. 【Haichuan Expands Horizons】Large air compressor that can be dragged from both ends - HCBBS Forum
  75. What kind of topics are effective ones that earn an additional 20 Builder popularity points? - HCBBS Forum
  76. [Haichuan’s Eye-opening] Take a look at the design of the God of Fire from a hundred years ago - HCBBS Forum
  77. 【Major Industrial Equipment in the Chemical Industry】046 – The World’s Largest Atmospheric Pressure Column of Its Kind - HCBBS Forum
  78. 【Haichuan Teahouse】Guess how long this device will last? - HCBBS Forum
  79. 【Haichuan Teahouse】There are more and more special effects in movies these days. Do you still think they’re good? - HCBBS Forum
  80. How is the ammonia solution sold by ammonia plants manufactured? Is it just adding liquid ammonia to the water? - HCBBS Forum
  81. 【Major Chemical Equipment Innovations】045 – Manufacturing of Large-Scale Reforming Reactors - HCBBS Forum
  82. 【Haichuan Equipment Guessing Game】Why is it covered in bandages? - HCBBS Forum
  83. 【Sea and River Night Talks】The daily routine of facing work - HCBBS Forum
  84. 【Haichuan Equipment Guessing Game】What is the purpose of the shorting plate welded at the end of the steel pipe? - HCBBS Forum
  85. 【HaiChuan Construction Discussion】Do you know what the extra cost for working at great heights is? How should it be calculated? - HCBBS Forum
  86. 【Haichuan Teahouse】If the cost of food for a day is 650, what would you eat? - HCBBS Forum
  87. 【HaiChuan Pipeline Discussion】Take a look at the real π-shaped pipelines – why is it designed this way? ? ? - HCBBS Forum
  88. BACKING FLANGE C/W STUB ENDS. The end shape is LJ; what material is it? - HCBBS Forum
  89. 【Haichuan Teahouse】Viya also failed; have you ever bought products through live streaming? - HCBBS Forum
  90. 【Haichuan Teahouse】How many meanings does 1M data have? - HCBBS Forum
  91. 【Haichuan Teahouse】Creative thinking: Is it possible to carry out carbon recovery in vegetable greenhouses? - HCBBS Forum
  92. China's refining capacity will reach 900 million tons this year, becoming the world's largest crude oil processing country - HCBBS Forum
  93. 【Major Equipment in the Chemical Equipment Industry】041 – China’s first integrated module for natural gas to methanol conversion reactors - HCBBS Forum
  94. Performance indicators of paint products -- What is the water resistance of paint products, and which types of paint have good water resistance? - HCBBS Forum
  95. [Guess what Haichuan Equipment] He is ten meters tall with a flat body and 30,000 pipes on his body - HCBBS Forum
  96. May I ask, the steam injected into the burner of the ethylene cracking furnace to reduce nitrogen oxides – what is the quality of this steam? - HCBBS Forum
  97. Sinopec established a Chemical Research Institute company with a registered capital of 100 million yuan - HCBBS Forum
  98. [History of Haichuan Pipeline] Hebei has begun feasibility study on a 145-kilometer-long hydrogen pipeline with a designed transmission capacity of 100,000 tons/year. - HCBBS Forum
  99. 【Haichuan Pipeline Installation】Is it okay to just make holes? - HCBBS Forum
  100. 【Major Equipment in the Chemical Equipment Industry】060 – Overall translation of a waste heat boiler with a total weight of over 3,696 tons - HCBBS Forum
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