Bashan is the first manufacturer producing mesh and grading screen according to ISO/TC24 in China.
The screens are approved by the national technology supervisory bureau 12288; As the qualified products. The standard grading mesh is made in accordance with ISO12288; The ISO4783/2-1981.
Bashan Precision Filter Co., Ltd. is affiliated to China Aviation Industry II. It has 11 sub-factories which makes wiredrawing, wiremehs weaving, vibration machine, wire/water/oul filter, test seive, steel thread insert, steel reed, filter elements, sintered power filter chemical fiber parts etc.
It past the ISO 9001 in 1998.
