.  Strict test for every product to ensure the perfect quality.

 .  Hydro-test while service period reaches demand.

 
 .  Specification: GB, EN, DOT, ISO or according to customers’ demand.
 
 .  Color, mark,thread,valve and fittings upon customers’ demand.
 
 .  Standard or special package upon customers' demand.
 
 .  Third party inspection available.
 
 .  Form A, Form E available.