The company uses special alloy powders being sprayed and welded on the screw's ridge, and uses different alloys and welding methods for the screw of different functions.
ZHOUSHAN JINTENG MACHINE MANUFACTURE CO.,LTD INSTRUCTOR:SHEN LAN ADD:ZHEJIANG ZHOUSHAN DINGHAI LIGANG NO:1 INDUSTRIAL PARK NORTH ROAD TEL:0580-8053418 8053987 FAX:0580-8051512 E-mail:zsjtjx@zsjtjx.comsales@zsjtjx.comjtscrew@zsjtjx.com