5mm = just over 3/16 inch; 6mm = almost 1/4 inch; 7mm = almost 9/32 inch (= a bit over 1/4 inch); 8mm = 5/16 inch; 9mm = almost 3/8 inch; 10mm = just over 3/8...
This company continuously trains its employees, accumulates product production experience, continuously carries out technological innovation, and can really provide customers with excellent products.
Your company has always enjoyed a good reputation in the industry, and you have always taken "integrity" and "pragmatism" as your core culture, and the quality of your products is very good.
Choosing a good supplier is a tedious and difficult thing. Since we attach great importance to service and quality, we are extra careful when making choices, and after learning about this company in.