Black welded steel tube refers to a welded pipe with a black surface.

Seamless OCTG casing is a casing made of seamless steel pipe as raw material.

U type steel sheet pile, also known as cold-formed steel sheet pile, is a high-strength, high-quality building material that is widely used in foundation projects, water conservancy projects and support structures of structures.

OCTG stands for "Oil Country Tubular Goods," which refers to a category of specialized steel pipes used in the exploration, production, and transportation of oil and natural gas.

ASTM A53 black steel pipe, also referred to as ASME SA53 pipe, is an excellent candidate for most processing.

Z-shaped steel sheet piles are made of steel plates that are cold-formed into a Z-shape. Its cross-sectional shape is Z-shaped and has a certain stiffness and bearing capacity. The length of Z-shaped steel sheet piles can be adjusted as needed, usually 6-12 meters.