Qingdao Protech Rubber & Plastic Co., Ltd.
Leading Manufacturer of Custom Molded Injection Extruded Rubber Plastic Products
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Engineering
Engineering > Tolerance

 

Remark: 
a) A1 grade for precision molded rubber
b) A2 grade for excellent quality molded rubber
c) A3 grade for good quality molded rubber
d) A4 grade for suitable quality molded rubber

Qingdao Protech Rubber & Plastic Co., Ltd.
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