Started off first with a mission to excel in the Worm Gearbox industry we have a great deal of experience in the delivering the finest quality Worm gearboxes and speed variators. ZHEJIANG HUANGYAN SANLI VARIABLE-SPEED MACHINERY FACTORY Private Owner was introduced in 2009 as Exporter and Exporter of Worm Gearbox, with investing in US$2.5 Million - US$5 Million as initial business capital. Sourcing finest quality raw material and housing skilled workforce led us to capturing a good proportion of consumer market based on Australia,Canada,India,South Korea,United Kingdom market share, enabling us generate Approx 0.8 Million US Dollar of annual revenue. Our production facility is situated in Taizhou, Jiangsu, China, operating under Own Lisence. For best in class Worm Gearbox production and export across different region we hold 11 Years of export history, catering to Below US$1 Million export ratio.