Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Excellent anti-corrosion properties:
Sand Center Tube is API standard tube or oil tube and the high precision perforated filter glove is made of 304 stainless steel materials.
For wells containing H2S, CO2, high-Cl that has special requirements, the sand center tube can be corrosion-resistant casing or tubing.
Center tube has high precision perforated tube with standard oil and glove tubes. The spiral perforating form of the center tube.