Dongguan three Ma synchronous gear Co., Ltd. Copyright copyright 2018 all rights reserved.
Tel: 0769-22712169
Mobile phone: 13829212664 13829118129 13829112604
Enterprise email: sjz@dgsanma.com
Business address: No. 90, No. two Shin Wan Road, Wanjiang District, Dongguan, Guangdong.