美女的隐私免费看视频软件_99久久精品免费观看区一_女生舔男生鸡鸡_91精品国产亚洲爽啪在线影院

會員登錄
請登錄您的生意號,獲取電子名片。便于轉發分享!
取消
會員登錄
請登錄您的生意號,獲取電子名片。便于轉發分享!
取消

Standard

Our company is a leading enterprise in the same industry in the country, with the design certificates of Class I and II pressure vessels, and the manufacturing qualification of Class I, II and III pressure vessels and the production licenses of Glass lining equipment.
  • Title Download
  • National standard No.2 - glass-lined layer test methods - Part 3: Determination of rapid temperature difference performance Download
  • National standard participation - glass-lined closed mixing vessel type, main size and basic parameters Download
  • National standard leading- Glass-lined layer test method (Part 7) : Determination of average linear thermal expansion coefficient Download
  • National Standard No.2 - glass-lined layer test method Part 1: Determination of corrosion resistance to alkaline solution Download
Home

Home

News

News

About

About

Products

Products

Contact

Contact