China Welong was founded in 2001, and is a professional international integrated supply chain service provider. We are concentrating on the industrial customized metal products, aiming to empower the world with the finest supply chain of China. Since its establishment, we have been offering Supplier Development & Management, Purchasing Supervising, and Quality Control services in China for many leading enterprises in the fields of International Industrial Manufacture, Oil Drilling, Aerospace & High-end Medical Treatment.
Professional Certificate
Welong service certified with ISO:9001-2015.
Customized Services
Welong makes production based on incoming drawings and samples.Our engineering department can also design the drawings for you. We use Auto CAD, Pro-Engineering, and Solidworks. We can accept the files *.igs, *.aics, and *.dwg.

Professional Experience
Customers
Export Countries
Professional Engineers
China Shaanxi Welong Import & Export Co., Ltd. was established, marking the group's official entry into the international industrial market.
China Shaanxi Welong Petroleum Equipment Co., Ltd. was founded. The company focused on specialized oilfield products and drilling products.
Shaanxi Hanglung Industrial Products Co., Ltd. was established. The business scope expanded to specialized casting and forged components.
Jiyuan Welong Petroleum Equipment Co., Ltd, our own mill started and focused on manufacturing BHA drilling products, forging products, etc. The facility successfully achieved API 7 Certification, ensuring compliance with global oilfield standards.
Shaanxi Welong Machinery Co., Ltd. was established. The company implemented a comprehensive upgrade of its quality inspection and engineering systems.
Shaanxi Welong Int'l Supply Chain Mgt Co., Ltd. was established as a World-Class Expert in Non-Standard Metal Products Supply, driven by the core value proposition of "Righteousness Before Profit with the customer's heart as our heart.
The Quality Control (QC) department was expanded, and a more rigorous inspection framework was put in place to ensure product reliability.
The engineering team was strengthened by having engineers concentrate on their respective areas of expertise, enabling them to provide more precise, specialized technical support and manufacturing solutions.
With over 25 years of industry expertise, Welong has built a global partnership network and serves a diverse range of leading international industrial clients.
Company Value
Brand name: WELONG
Category: Int'l Supply Chain Integrated Service Provider
Strategic positioning: Long-term partner of the World Giants as Schlumberger and National Oilwell Varco, etc.
Slogan: Welong-International Integrated Supply Chain Service Provider; Long-term partner of the World Giants as SLB and NOV, etc.
Mission: Empowering the world with the finest supply chain in China.
Vision: To be the giant of Int'l supply chain integrated service provider, and lead China's intelligent manufacturing, leading the world.
Business philosophy: Being abundant at present, being pioneering at all times.
Values: honesty-based Keep professional Mutual benefit Full of passion Forge ahead


Our Attitude
Honesty-Based
To be honest,Perform more actual deeds.Truthful in speech and firm in action, Sincere commitment
01
Keep Professional
Studying intensively and seeking truth
Keep improving
02
Mutual Benefit
Shoulder to shoulder
Put heads together
Helping others, helping yourself
03
full of Passion
Keep curiosity
Positive and optimistic
Open mind
04
Forge Ahead
Go upstream
Above & Beyond
05
About Us

One-Stop Metal Parts Solutions for Global Industries
Manage your entire production process with one experienced manufacturer.





