NAI LOK CO., Ltd established in 2000. has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of high quality nickel alloy tube and high purity seamless tube. We have more than 20 years of precision tube manufacturing and 10 years of export experience.
Our annual design capacity is 1, 500 tons of seamless steel tubes, utilizing a cold rolling-based process that leads domestically, combined with rolling and drawing processes. We can also provide ODM, OEM and agency services for global customers.
Nickel Alloy Seamless Tube are widely used in petrochemicals, semiconductor manufacturing, instrumentation, military, nuclear power, and other industries, as well as in cutting-edge scientific fields such as national defense and aerospace.
Product Description

Quality Control
To ensure that 100% of the products meet the required standards before leaving the factory, NLK strictly adheres to the quality management system requirements of ISO 9001:2008, implementing comprehensive quality control through regular inspections by dedicated inspectors, random checks, and full inspections. We always focuses on process control as the core of quality assurance, ensuring the quality at every critical stage of production to guarantee the final performance of the products. NLK places great emphasis on enhancing the theoretical knowledge and operational skills of its employees. Through regular professional training sessions and specialized lectures, it improves the professional competence of its staff to ensure continuous improvement in product quality during the production process. The company also possesses a complete set of advanced testing equipment and a large number of experienced professional inspectors, and has established a provincial-level testing
center to ensure that products leave the factory without defects.
Application Field
The company's products are widely used in various fields such as
semiconductors, petroleum, chemical, heat exchangers, instrumentation,
mechanical manufacturing, environmental engineering, food,
biopharmaceuticals, shipbuilding, papermaking, military, power plants
(nuclear power, thermal power, and hydropower), etc.

