About us

Products and Services

Christmas Tree Blocks

Our range of products, WEFIC® (We Enhance Flow In Control), will offer customers quality as well as cost efficiency.


The Christmas tree manufactured by our company is used for controlling the wellhead pressure and adjusting the output of the oil & gas well, and also can be used for special operations such as acidifi cation, fracturing, water injection, and high temperature steam injection and testing, etc. The Christmas tree can meet different working conditions. It has reliable sealing and safety operation. The design, manufacture, experiment and quality control are all in accordance with the requirement of API 6A 20.

Basic Parameters

  • SCSizes: 1-13/16” to 9”
  • Pressure: 2,000 to 20,000 psi WP
  • Working medium: petroleum, natural gas, mud, gas
  • Containing H2S and CO2.
  • Working temperature:-75 ºF to 350 ºF
  • Material grade: AA, BB, CC, DD, EE, FF, HH
  • Specification grade: PSL 1~ 4
  • Performance requirement: PR 1~2

Dual Tubing Tree Block


‘Y’ Shaped Tree Block