It is a device used for adjusting the position of pumping unit motor It is a device used for adjusting the position of pumping unit motor, regulating electric motors, and used for facilitating installation of pumping unit belts and adjusting the tightness of the belts in operation...

It is a string connecting piece It is used for achieving the connection between the string and wellhead suspenders, and between the strings with various specifications.It can ensure the mechanical property of it is better than that of the string connected with it by selective...

It is an anti-theft product for valve handles, and used for prevent the switches of the valve handles. It can be installed and dismantled, or opened and closed with assorted special purpose tools. ...

It is an assorted sealing element of polished rod of pumping unit well sealing device It has predominant and long-acting sealing effect and specially applicable to wellhead seal of high temperature production well with steam drive and SAGD etc. ...

It is used for coupling-type connection of valve, and oil-gas pipeline. It can be installed and dismantled only with assorted special purposed tools. Anti-theft slip and special purpose...

It is used for automatically detecting important manufacturing parameter data It is used for automatically detecting important manufacturing parameter data of the pumping well, and deciding and evaluating the production state of wells in good time.Compared with bound value of the...