who are we
zhejiang jingzhu machinery co., ltd
zhoushan dinghai shuangli plastic machinery factory
zhoushan dinghai shuangli plastic machinery co., ltd. is located in the beautiful sea city of zhoushan. zhoushan, with its beautiful scenery and convenient transportation, has built the world's largest material pipe and screw r&d and manufacturing base, creating a number of well-known brands.
what we do
our products
why choose us
our advantages
only innovation and change can lead at any time
in 2009, the company successfully developed vacuum sintered nickel base alloy tube (sbk5 series). many technologies have filled the gap in china. the service life of the tube is more than 8 times longer than that of the iron base tube, which is relatively wear-resistant and corrosion-resistant in china.
mature craft
hight qualigy product
leading technology
mature craft
perfect service
latest news
company news
2022/10/12
sharing the economic factors of extruder screw design
for any technical problem, it is totally wrong to ignore the economy of design. in some cases, the rationality of screw design must be analyzed more comprehensively, that is, from the perspective of economy.
no. 9, jixiang road, xihou industrial zone, jintang town, dinghai district, zhoushan city, zhejiang province
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