ZoI has its own thread making and dyeing factory: Pengyuan Thread Manufacturing Co., Ltd. Pengyuan is the first embroidery thread manufacturer in China to be certified as "China Environmental Label Product", with an annual output of more than 4,500 tons of embroidery thread. The factory has a building area of more than 40,000 square meters, advanced and complete equipment, perfect management and strong technical force. The products adopt the most advanced production technology and formula technology, with the characteristics of smooth texture, bright color, ultra-low color difference, firm coloring, and environmentally protective. We focus on environmental protection, all our products have GRS certification and OEKO-TEX certification