Coltech an experienced and professional Computer peripheral products manfuacturer with high quality and functioning products since 2004.We maninly specialized in: USB3.0/USB3.1 Type C Hub, USB3.0/ USB3.1 Type C HDD Enclosure, USB3.0/USB3.1 Type C Multi-bay HDD Enclosure, USB3.0/USB3.1 Type C Dual HDD Clone Docking Station, USB3.0/USB3.1 Type C to Lan, PCI-Express Card, VGA Splitter, Gigabit Ethernet 10/100/1000Mbps Switch Hub and 3.5" WIFI HDD Enclosure USB3.0 to SATA etc.Our factory located in: West Wing, 3/F, Bldg 2 Guanghaofeng Ind. Area, HangCheng Blvd, Gushu, Xixiang, Baoan, Shenzhen, China.Our team also has formed one-stop production, including the PCB and model appearance design, material purchasing, SMT paster, DIP Welding, functional test, and final assembly as well as the aging test.