In order to ensure the quality of products, Dongguan Shujian Shoes Material Co.,Ltd. has established a complete set of QC system. Our heated insoles will be tested and evaluated to determine whether they meet required performance specifications before they are launched to the public. In the company, the maintenance of a quality management system is crucial for us.

Dongguan S-King Limited has won the market's appreciation with the spirit of self r&d and self-innovation. We are a professional manufacturer supplied with heated vest mens development and production. The best heated work gloves series is one of the main products of Dongguan Shujian Shoes Material Company. Dongguan S-King Limited only uses environmentally friendly raw materials for dr.warm heated insoles. It is exported to North America, South America, Africa, Europe, etc. The product helps get rid of some contaminants, which can improve the flavor of drinking water without having to boil for a long time. It is developed based on a certain heating system, structure, and design.

We adhere to the principles of honest operation and high quality. Contact!