website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
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What is pipe class?
A document that indicates the dimensional and material specifications of pipes, fittings and valve types is called a pipe class. Each class specified base material, pressure-temperature range, corrosion allowances and special requirements if any.
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