In house laboratory

The basis and pursuit of our quality control

Dmark has been committed to make the most secure's button products, we use "not let any possible risk happen" as our principle and basis of quality control. We have been pursuing and developing standardized, data, scientific quality control system, for which we continue to strive to improve our quality control system and update, research and develop more advanced quality control equipment.

Three-dimensional visual inspection system
Full size detection product size standards, efficient and standard uniform, automatic error correction.

AAS Analysis
The raw materials and products for harmful heavy metal content that ensure our products are safe and harmless.

Constant temperature equipment
Conduct point-to-point pre-shipment testing to keep the product physical and color fastness in extreme weather.

Color fastness test equipment
The specified requirements of the customers are fuldiled by the implementation of point-to-point pre-shipment testing.

Constant temperature equipment
Conduct point-to-point pre-shipment testing to keep the product physical and color fastness in extreme weather.

Color fastness test equipment
The specified requirements of the customers are fuldiled by the implementation of point-to-point pre-shipment testing.

Precision test equipment
0.8mm iron ball standard, 100% of the product have passed the needle equipment testing, and self-development of the needle detection equipment 9-points self-test function to ensure accuracy.a

X-ray heavy metal scanning gun
The raw materials and products for harmful heavy metal content that ensure our products are safe and harmless.