Dingxin steel tubes are manufactured and tested with the highest expertise to offer the best benefits to customers. To maintain our stable quality, on-time delivery, and competitive pricing, we conduct a complete set of in-house processing. Our facilities include some of the latest technology and up-to-date production equipment and testing equipment.
Capability and service:
● Piercing
● Cold finishing: cold drawing, cold rolling
● Heat treatment: annealing, bright annealing, normalizing, bright normalizing (NBK), stress relieving (+SR), quenching and tempering (QT)
● Surface treatment: pickling, phosphatizing, saponification, shot blasting, etc.
● Machining: cutting, honing, skiving and roller burnishing, deburring, chamfering, etc.
Production equipment

Piercing Machine

Cold Drawing Machine

250T Hydraulic Cold Drawing Machine

Cold Rolling Machine

Natural Gas Normalizing/ Annealing Furnace

Skiving & Roller Burnishing Machine

17 Roller Straightening Machine

Quenching and Tempering Machine
Testing equipment
At Dingxin, each production cycle phase undergoes stringent quality controls. We conduct destructive and non-destructive testing, chemical analysis at our internal quality control lab, to give our customers the certainty of receiving a quality certified tubing product.

Metallographic Microscope

Universal Testing Machine

Rockwell Hardness Tester

Vickers Hardness Tester

Eddy Current Testing Equipment

Spark Spectrometer

