1.Are you trading company? We have our own factory with more than 20 years exprience. 2.How do you control the quality? A. Check the wire. B. There is one person for one machine, when we are producing the goods. Every goods will be checked again before shipping, and we glad to accpet the Third-party inspection company quality check. 3.Can I customize the products? Yes, you can. 4.Can I get a sample ? Sure. you can. 5.Can I visit your factory? You are welcomed to visit our factory.