February 22 propane prices

Product Name Origin / Vendor Location Price (yuan/ton) Quote Date Propane Zibo HSBC National 6400 12-02-22

Propane Zhongyuan Oilfield National 6450 12-02-22

Propane Zhongjie Petrochemical National 6400 12-02-22

Propane Shouguang Luqing National 6420 12-02-22

Propane Qingdao Petrochemical National 6600 12-02-22

Propane Qingdao Great Refinery 6650 12-02-22

Propane Linyi Petrochemical National 6400 12-02-22

Propane Jiujiang Petrochemical National 7000 12-02-22

Propane Jinzhou Petrochemical National 6200 12-02-22

Propane Jinan Refinery National 6550 12-02-22

Propane Harbin Refinery National 5750 12-02-22

Propane Dongying Stone Dashenghua Chemical National 6450 12-02-22

Propane Dongming Petrochemical National 6500 12-02-22

Propane Daqing Petrochemical National 5750 12-02-22

Propane Dalian West Pacific National 6550 12-02-22

Propane Dalian Petrochemical National 6550 12-02-22

Propane Morning Petrochemical National 6450 12-02-22

Propane Yanzhou Refinery National 6340 12-02-22

Machine Screw

Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.

The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw

Hex Machine screw,pan machine screw,flat machine screw,truss machine screw,Hexagon socket screws

Shenzhen Lanejoy Technology Co.,LTD , https://www.injectionnut.com