About Us

NAI-LOK was established in 2000 and has since become a leading supplier in China, specializing in the production, research, development, and sales of instrumentation valves, fittings, and tubing.

With stringent quality control and management throughout the production process, we ensure that our products meet the highest standards of safety, functionality, and design, all while offering competitive prices and some of the fastest lead times in the industry.

We operate three state-of-the-art factories in China, with our pipe factory boasting an annual capacity of 1, 500 tons of seamless tubes, produced using a combination of cold rolling and drawing processes.

Equipped with advanced domestic prodcution lines and comprehensive testing equipment, including high speed rolling machines, precision rolling machines, cold rolling machines, high percision cold drawing machines, annealing furnaces, ultrasonic and eddy current flaw detection systems, hydraulic pressure testing, a 100-ton universal testing machine, high pressure water jet cleaning equipment, borescopes, spectrometers, metallographic examination facilities, intergranular corrosion tests, and chemical analysis equipment, ensuring product quality reliability.

VERIOUS GRADES OF NICKEL-BASED ALLOY MATERIAL

NICKEL 200/201, ALLOY C-22, HC-276, ALLOY B3, ALLOY 254, 6 MOLY, ALLOY C -2000, ALLOY 625

ALLOY 600, ALLOY 718, ALLOY 400, ALLOY 825, SUPER-DUPLEX STEEL 2205 2507, 904L

Our product portfolio includes:

General Instrumentation Valves and Fittings

High Purity & Ultra High Purity Products (NAI-LOK UHP PRODUCTS)

Hose & Tubing

Special Alloy Tubing and Fittings

Our products are widely used in various industries, including petroleum and petrochemical, semiconductors, instrumentation, defense, and nuclear power projects. We ensure that each product is designed to meet the demanding requirements of these critical sectors.

Additionally, we offer ODM, OEM, and agency services to customers worldwide.