Haining Jinyi Door And Window Accessories Co., Ltd. was founded in 1998, producing aluminium alloy steel frame pile weather strips. Our products are airproof, waterproof and windproof.We adopt polypropylene, the safest and most environmental friendly of all petrochemicals, and we guarantee 100% PP. With nearly twenty years' experience and abundant technical advantages, we have production capacity of 100,000,000m every year.We can produce 20 to 30 kinds of pile weather strips, including general ...
QC Profile
Raw materials we use are all new ones with Grade A quality. There are four QC steps before tablets leave factory.1.100% Raw materials incoming test 2.Semi-finished product test 3.finished product test 4.Battery charge aging test.All of our products are stable and reliable, entirely meeting the quality standards established by relevant national architectural material administration.