1000WOG ball valve

We are a leading manufacturer and exporter of Semi Precious Stone with more than 14 years of experience in Guangzhou, China. We have nearly more than 50-100 skillful hand-cutting workers float with demands, and nearly 50 cutting machines. And we put great technological emphasis into the processing of selecting, cutting, crafting, polishing and drilling accompanied with strict quality control. We specialized in Semi Precious Stone/Gemstone bead