DONG TAI Ultrasonic Gem Machine Co, .Ltd was founded in 1994, is a company that specialized ultrasonic gem punching and carving machine as leading products. Undergoing more than ten years development, our products have sold all over the country.We broad market not only domestic but also at ***** ...
Telephone:86-07583167885
Address:No.90 sihui road, Sihui, Guangdong, China