email;amy@sanjubio.com whatsapp/skype/wickr:+8613014333132 http://sanju.lookchem.com/ We are one of the leading pharmaceutical manufacturers pecialized in researching, exporting and manufacturing research chemicals . Our main products include, contact…
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We can produce large forging,casting and welding gears according to customer's drawings.According to the working conditions and clients' request,we also can do gear grinding,surface hardening,cemented and quenching,Nitriding and quenching,etc.