Enterprise Patent


A high-strength molded plastic pipe

A high-strength molded plastic pipe

Integrated anti drop valve inspection well

Integrated anti drop valve inspection well

Integrated anti settlement valve inspection well

Integrated anti settlement valve inspection well

Preparation method of modified masterbatch for polypropylene structural wall tube

Preparation method of modified masterbatch for polypropylene structural wall tube

A manufacturing method for three anti light blocking composite pipes

A manufacturing method for three anti light blocking composite pipes

A method for detecting the degree of fusion of polyvinyl chloride or polyvinyl chloride

A method for detecting the degree of fusion of polyvinyl chloride or polyvinyl chloride

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