Quality is life for every company, which is our core conception, also the most important reason why our products

enjoy high reputation in this field. We control the quality by 4 steps as below

1.Material: Heyi is very serious to material, only cooperate with qualified suppliers all the time, to make sure all

the materials are 100% qualified. Meanwhile, our workers inspect all he parts before they reach processing line.

2.Workers: More than 95% of our workers have worked in this field, who have rich experience on the products.

On the other hand, the new workers will be trained at least 6 months and know all the skills before they start to

work.

3.Process: We have very strict production flow which guarantee all the problems will be found and resolved at

any step.

4.Test: We have more than 20 members wording in QC/QA. All the finished products will be fully tested before

shipment, to guarantee all the products are qualified.