Shenzhen OPT Cutting Tools Co., LTD. E-mail hui opttools@tongweicn.com opt@tongweicn.com HuiWhatsapp +86 13928413454 +86 13652315199 Wahi Hui Rm609, Hale A, Dulex Hi-tech Park, Guangyi Road, Longhua District, Shenzhen, Kina Kelepona Hui +86 13652315199 +0086 755-27579101
