The tie-back assembly is a special cementing tool for tieback operation. Tieback equipment allows existing liners with a receptacle to be extended to the surface or farther up hole, and provides a high-pressure seal at the top of a cemented or uncemented liner. TIW offers ...
Come From Shandong Saigao Group Corporation
https://www.wfjpre.com/Electric-Cargo-Tricycle-back-door-open JZ Electric Engineering Vehicles on the construction site has the following characteristics: heavy load, scientific design, convenience and flexibility. Small size and flexible movement of Electric Cargo Tricycle ...
* Economical Model for Residential and Commercial Doors * Precise Cast Aluminum Body & Steel Arm * Adjustable Closing & Latching Speed * Adjustable Back Check, Hold Open Function Optional * Max Opening Angle 180 * Non-handed Installation * Fixed Spring Force #3 * Produced ...