Dongguan Qinglong line factory   

Dongguan Qinglong line factory is located in Dongguan City, a famous manufacturing city in Guangdong Province, specializing in the production of all kinds of high-grade sewing thread and special sewing thread. The main products are: core sewing thread, special thread, fireproof line, conductive wire, multi thread of gold and silver, colorful yarn, pure cotton thread, flame retardant line, waterproof line, antistatic line, hot-melt line, polypropylene thread (anti UY ultraviolet, anti-aging, acid and alkali resistant, corrosion resistant), indigo line and so on.