Firstly, the materials are only collected from first-tier cities of China, such as Guangzhou, Shenzhen, Foshan and so on.
Secondly, checking on the quality before offloading the materials, if not good we will reject them.
Thirdly, we always insist on a high standard from boss to workers.
Fourthly, the workers are all skilled and experienced for more than 3 years.
Fifthly, quality inspectors are checking along the line all the time for product quality must be ensured.