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  1. 【Haichuan Equipment Guessing Game】It looks like fly eyes - HCBBS Forum
  2. 【Major Industrial Equipment in the Chemical Industry】100 – Final Polymerization Vessel for Dalian’s Polyester Production Project - HCBBS Forum
  3. [Haichuan Equipment Guess] Shouting slogans and working hard together, the painting scroll is poor and useless - HCBBS Forum
  4. 【Haichuan Teahouse】What do you think of Weekend Warriors? - HCBBS Forum
  5. 【Haichuan Ingredients Guessing Game】Blooms and bears fruit throughout the year; can be used as a seasoning as well as in specialty beverages - HCBBS Forum
  6. 【Haichuan Teahouse】Another brain-teasing question - HCBBS Forum
  7. 【Major Industrial Equipment in the Chemical Industry】019 – China’s largest current urea synthesis tower with a capacity of 300,000 tons per year, model DN1800JX, featuring energy-saving features - HCBBS Forum
  8. How is the writing of 【Haichuan Teahouse】? - HCBBS Forum
  9. 【Haichuan Teahouse】Brain-teaser Series: How Can Four Triangles Be Equivalent? - HCBBS Forum
  10. 【Major Equipment in the Chemical Engineering Sector】123 – The first set of 30-megawatt gas turbine-driven compression units for long-distance natural gas pipelines - HCBBS Forum
  11. 【Major Industrial Equipment in the Chemical Industry】095 – Domestic 2.1 million tons/year coke tower - HCBBS Forum
  12. 【Haichuan Safety Discussion】Are there explosion-proof cameras? Is it illegal to take photos at hydrogen refueling stations? - HCBBS Forum
  13. 【Haichuan Teahouse】Brain-teasing Series: Uncertain Elements That Cause Confusion - HCBBS Forum
  14. 【Haichuan Equipment Guessing Game】Key equipment for special nitrile rubber systems, with a surface roughness achieving a mirror-like finish - HCBBS Forum
  15. 【History of Haichuan Pipes】In 1958, China’s specialized large-scale seamless steel pipe factory – Chengdu Seamless Steel Pipe Factory - HCBBS Forum
  16. 【Haichuan Teahouse】The alarm sounded on time - HCBBS Forum
  17. 【Major Equipment in the Chemical Equipment Industry】Domestic production of the key valve for LNG receiving stations – the “LNG cryogenic ball valve” - HCBBS Forum
  18. Anehydrous chlorine storage tanks are not at room temperature? Why are liquid chlorine pipelines insulated with insulation material rather than kept warm? - HCBBS Forum
  19. [Haichuan WeChat Group] Does anyone know the viscosity of ternary molten salt at around 320°C? - HCBBS Forum
  20. 【HaiChuan Engineering Discussion】The impact of the quality of steel structure design schemes and drawings on the project timeline - HCBBS Forum
  21. 【Haichuan Teahouse】Have other animals on Earth discovered that human civilization is a more advanced one than theirs? - HCBBS Forum
  22. [Ocean Opens Eyes] The 4,000 cubic meter carbon dioxide spherical tank of the CCUS (Carbon Capture, Utilization and Storage) project - HCBBS Forum
  23. 【Sea and River Night Talk】Three sentences for good management - HCBBS Forum
  24. Why are the cut water bamboo stalks covered in black spots? Can I eat it? - HCBBS Forum
  25. 【HaiChuan Pipeline Discussion】Is it a good idea to connect the valve to the pipe segment first before bringing them together? - HCBBS Forum
  26. What is the process of clean, efficient, and quality-specific conversion of coal through pyrolysis? ? ? - HCBBS Forum
  27. 【Haichuan Equipment Guessing Game】Examine it up close to ensure safe operation - HCBBS Forum
  28. [Haichuan 119] Do you know the fire protection level of exterior insulation materials? - HCBBS Forum
  29. 【Haichuan Pipeline Installation】The drainage valve is in such a tough situation - HCBBS Forum
  30. [Guess what equipment this is for the refinery] - HCBBS Forum
  31. 【Haichuan Pipeline Installation】High-pressure water transmission pipelines made of steel wire mesh skeleton polyethylene composite pipes using a riveted dual-seal connection method - HCBBS Forum
  32. 【Strange design of Haichuan pipelines】Does unity inevitably lead to separation, and separation inevitably lead to unity? - HCBBS Forum
  33. 【Haichuan Project Updates】SABIC and Fujian Energy Chemical Group invest 40 billion to establish a new company at the Gulei facility - HCBBS Forum
  34. [Haichuan Food Talk] It’s that time of year again when there’s a debate over the flavors of zongzi in the north and the south! - HCBBS Forum
  35. 【Haichuan Pipeline Construction】Will the bolts of the pipelines be replaced during maintenance? ? How to determine it? - HCBBS Forum
  36. 【Haichuan Teahouse】Have you already forgotten how to tell the difference? - HCBBS Forum
  37. 【Haichuan Explores the World】What is a shell-exchange high-low pressure heat exchanger? - HCBBS Forum
  38. 【HaiChuan Chemical Engineering Discussion Forum】Is the rebar used for such stairs correct? It is said that the teacher saw them faint - HCBBS Forum
  39. Sichuan Meifeng plans to invest 406 million yuan in building the Shehong Polymer Materials Industrial Park - HCBBS Forum
  40. 【Haichuan Teahouse】Brain-teasing series: It seems complicated, but that circle is actually just a decoy - HCBBS Forum
  41. 【Haichuan Teahouse】Brain-teasing Series: Questions for the transition from primary to middle school that can’t be solved without thinking - HCBBS Forum
  42. 【Sea and River Safety Discussion】What about safety helmets with positioning functions? - HCBBS Forum
  43. What are the three devices in the reaction and regeneration system of the Huating FMTP Technology Demonstration Project? ? ? - HCBBS Forum
  44. 【Haichuan Teahouse】Brain-teasing Series: Exam questions for elementary school students – could they lead students down the wrong path? - HCBBS Forum
  45. 【Haichuan Travel Talk】Have you tried Sanya’s steamed egg with sea urchins? - HCBBS Forum
  46. There is a huge shortage of intermediate and senior skilled workers, with salaries and benefits rising steadily - HCBBS Forum
  47. 【Haichuan Teahouse】 If the walls are to be demolished during renovation, why does the developer still apply a layer of putty? - HCBBS Forum
  48. 【Ethylene cracking】What is the main material used for ethylene cracking furnace tubes? Which domestic manufacturers can produce it - HCBBS Forum
  49. [Haichuan Food Talk] Can you still eat Chinese cabbage with black spots? - HCBBS Forum
  50. If a zinc-rich primer is used as the base coat, will it affect the number and consumption rate of sacrificial anodes, as well as the forced protection current density? - HCBBS Forum
  51. 【Major Chemical Equipment】077 – Domestic N08810 nickel-based alloy heat exchangers - HCBBS Forum
  52. Corrosion losses account for about 3–5% of GDP, which is much higher than the total losses from natural disasters and various accidents. - HCBBS Forum
  53. How often is a polyoxymethylene plant overhauled, and what are the main tasks involved in such overhauls? ? ? - HCBBS Forum
  54. 【HaiChuan Safety Discussion】Crane lifting rebar, rebar hitting the crane - HCBBS Forum
  55. **Standardization of carbon emissions is being put on the agenda – what’s your opinion? - HCBBS Forum
  56. 【Haichuan Equipment Guessing Game】What kind of containers are these three ultra-long horizontal storage tanks? - HCBBS Forum
  57. [Sea and River Night Talks] If you ever feel negative emotions in your life - HCBBS Forum
  58. What are the technologies for producing epichlorohydrin using the hydrogen peroxide method? ? ? - HCBBS Forum
  59. 【History of Haichuan Pipes】China’s first factory for producing seamless steel pipes from special steels was established - HCBBS Forum
  60. 【Sea and River Food Talk】The differences between Sichuan scallions and Shandong scallions - HCBBS Forum
  61. In the 2021 ENR list of the top 225 international engineering design firms, 24 Chinese companies made it onto the list - HCBBS Forum
  62. 【Haichuan Equipment Guessing Game】Automating large-scale equipment to improve efficiency and quality - HCBBS Forum
  63. 【Haichuan Teahouse】Brain-teaser Series: Determining the Area of a Circle with Three Squares - HCBBS Forum
  64. 【Haichuan Equipment Guessing Game】A type of energy storage device that can withstand high temperatures - HCBBS Forum
  65. 【Haichuan Workplace Night Talk】The so-called sense of security is something one gives to oneself - HCBBS Forum
  66. 【Haichuan Teahouse】With live streaming for selling products being so popular these days, is there also live streaming for selling chemical products? Like fertilizers? - HCBBS Forum
  67. 【Haichuan Teahouse】Brain-teasing series: Only those who can finish it in three minutes are considered average performers - HCBBS Forum
  68. 【Major Chemical Equipment Innovations】034 – Development completed of China’s first fully domestically produced LNG shell-and-tube heat exchanger with a capacity of 600,000 cubic meters per day - HCBBS Forum
  69. [Haichuan Eye-opener] Using hydraulic jacking method to hoist a 128-meter 2957-ton product separation tower - HCBBS Forum
  70. What will happen after 2026? ? ? ? Sinopec CEO: China’s oil consumption is expected to peak by 2026! - HCBBS Forum
  71. 【Outlook for Marine Engineering】Will hydrogen stations become the next focus of engineering design? - HCBBS Forum
  72. 【Haichuan Teahouse】Do you know what treadmills were originally used for? - HCBBS Forum
  73. 【Major Chemical Equipment】072-02000-ton SE-Dongfang Furnace - HCBBS Forum
  74. Commissioning of 42 billion cubic meters per year project at Amur Gas Processing Plant in Russia - HCBBS Forum
  75. 【Haichuan WeChat Group】When people talk about an air compressor with a capacity of 25 m3/min, do they mean cubic meters or standard cubic meters? - HCBBS Forum
  76. 【HaiChuan Pipeline Discussion】Is thermal imaging used for the online monitoring of steam pipeline leaks? - HCBBS Forum
  77. 【Haichuan Safety Discussion】Do you know what vibration disease is? - HCBBS Forum
  78. 【Haichuan Expands Horizons】Do you know how the rotors of large-scale equipment are heat-treated? - HCBBS Forum
  79. [Ocean opens eyes] Within one year, Guangdong Refining and Chemical Cracking Furnace completed capping - HCBBS Forum
  80. 【Major Equipment in the Chemical Engineering Sector】057 – Heat exchanger skids for offshore platforms - HCBBS Forum
  81. 【Ethylene cracking】What are these shuttle-shaped devices located above the radiation section of the cracking furnace? - HCBBS Forum
  82. [Overseas petrochemical project tour] Kuwait Azul Refinery - the largest refinery built at one time in the world - HCBBS Forum
  83. 【Haichuan Teahouse】Brain-teasing series; actually has nothing to do with shadows - HCBBS Forum
  84. 【Sea and River Ingredients Guessing Game】It looks like longan, but its taste is actually different - HCBBS Forum
  85. Performance indicators of paint products -- What is the fineness of paint products - HCBBS Forum
  86. 【Haichuan Chess and Card Hall】Be patient, and the world will be vast and open before you - HCBBS Forum
  87. 【Haichuan Teahouse】In space, what happens if two pieces of the same type of metal come into contact? - HCBBS Forum
  88. Sinopec’s first LNG receiving station, Qingdao receiving station, has received and unloaded a total of 500 ships of LNG. - HCBBS Forum
  89. Welds made with electrodes of different diameters - HCBBS Forum
  90. 【Haichuan Food Talk】Red-fleshed, green-fleshed, yellow-fleshed – which kiwifruit tastes best? - HCBBS Forum
  91. For spheres manufactured on-site, when does the warranty period begin to count? - HCBBS Forum
  92. 【Haichuan Civil Engineering Issues】Has the final settlement for the individual construction phases of your project been completed? - HCBBS Forum
  93. 【HaiChuan Pipeline Discussion】Is it a good idea to arrange valves in this way? - HCBBS Forum
  94. A 1928 fire ladder truck - HCBBS Forum
  95. Device for polymerizing melamine using the Otech high-pressure method - HCBBS Forum
  96. Lubei Chemical Holdings subsidiary plans to build an annual production capacity of 5,000 tons of tetrafluoroethylene in Guangxi - HCBBS Forum
  97. [Talk about Haichuan Construction] Why do wire joints need to be done this way? - HCBBS Forum
  98. Anhui 1.2 million tons coal-to-ethylene glycol project shelved - HCBBS Forum
  99. What is a wall valve? Is the setting of the wall valve a process setting or an equipment? - HCBBS Forum
  100. 【Guess the Sea and River Ingredients】Coming out with the arrival of summer, it has appeared on CCTV’s program \"Jianbian Wanli Xing\" - HCBBS Forum
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