Sellers of coupling sleeve - MadeInTerra.com

Changsha Heijingang Industrial Co., Ltd., China
Wholesaler, Distributor, Exporter and Seller of: coupling sleeve, drill pipe, tubex, dth bit, dth hammer, eccentric overburden drilling tools, odex, shank adapter, thread bit
http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/494065/

Great Wall Diamond Drill (Hong Kong) Co., Ltd., China
Wholesaler, Distributor, Exporter and Seller of: dth hammer, dth hammer bit, button bit, taper chisel bit, drilling rod, tricone drill bit, overbruden casing system, coupling sleeve, thread button bit
http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/1044658/

G.T.International Co., Ltd., China
Wholesaler, Distributor, Exporter and Seller of: hollow drill rod, button bit, dth, dth hammer, mf rod, extension rod, penumatic pick, anchor bolt, coupling sleeve
http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/842637/

Guizhou Sinodrills Equipment Co., Ltd., China
Wholesaler, Distributor, Exporter and Seller of: shank adapters, coupling sleeve, dth drilling, core drilling, drag bits
http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/813131/

Henan Kings Rock Tools Co., Ltd., China
Wholesaler, Distributor, Exporter and Seller of: hex and round hollow drill steel, small hole drill tools, drill bits, drill rods, coupling sleeve, shank adapters
http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/1154916/