Company Profile

Table of Contents

Company Overview

Sichuan Nonleak Stainless Steel Pipe Industrial Co., Ltd. (here in after referred to as “Nonleak“) was established in 2014 with a registered capital of RMB 51 million. As an emerging private enterprise specializing in the manufacturing and sales of stainless steel piping systems, Nonleak is dedicated to innovation and quality.

Main entrance and facade of Longlike Nonleak Stainless Steel Pipe Industry Co., Ltd. in Guanghan, showing the company sign in both Chinese and English with modern factory buildings in the background.
Aerial view of large-scale stainless steel pipe factory with multiple production buildings

Manufacturing Base

Nonleak’s production facility is located in the Guanghan Industrial Concentration Development Zone, Xiaohan Town, Guanghan City, Sichuan Province. The campus spans approximately 114 acres.

  • Phase I: Built and operational, covering 21,000 sqm.

  • Phase II: Partially built (7,500 sqm), with an additional 20,000 sqm planned.
    Upon full completion, the annual production capacity for stainless steel pipes and fittings is projected to reach RMB 800 million to 1 billion. With over 130 employees, Nonleak currently achieves annual sales of approximately RMB 150 million.

Technical Capabilities & Innovation

Nonleak insists on independent R&D and manufacturing. Our accolades include:

  • National High-Tech Enterprise

  • National Sci-Tech SME

  • Provincial Innovative SME

  • Municipal Enterprise Technology Center
    We hold 3 invention patents and 28 utility model patents.

[➔ Explore Our Full Technical Capabilities] 

Core Product Lines

Nonleak primarily manufactures stainless steel pipes and a range of fittings, including:

Certifications & Quality Assurance

Nonleak prioritizes compliant production and holds numerous certifications:

  • Quality, Environmental, and Occupational Health & Safety Management Systems (ISO 9001, 14001, 45001)

  • After-Sales Service Management System Certification

  • Special Equipment Manufacturing License

  • Safety Standardization Level III Certificate

  • AAA Enterprise Credit Rating

[➔ View All Our Certificates] 

Supply Chain & Raw Materials

To guarantee material quality and stable supply, Nonleak maintains strategic partnerships with major steel mills such as TISCO, Baosteel, and ZPSS.

Service & Support

Nonleak has established a comprehensive nationwide after-sales service network, supported by dedicated regional managers. This structure ensures prompt and accurate service, backed by our After-Sales Service Management System Certificate and a 5-Star Service rating.

Key Clients

Nonleak is a trusted supplier to leading gas companies, including:

  • China Resources Gas Group

  • PetroChina Kunlun Gas

  • PetroChina Southwest Oil & Gasfield Company

  • China Gas Holdings

  • And other regional utility providers.

Awards & Recognition

  • Awards from the Xiaohan Town Government for Tax Contribution, Efficiency Improvement, and Safety & Environmental Protection (2017, 2023).

  • “Famous Brand Product” by the Sichuan Stainless Steel Industry Chamber of Commerce.

  • Contributes over RMB 6 million in annual taxes and provides 100+ local employment opportunities.

[➔ See Our Awards & Recognition] 

Environmental & Social Responsibility

Nonleak highly values ecological protection, adhering to the philosophy that “clear waters and green mountains are as valuable as gold and silver mountains.”

  • We avoid using environmentally hazardous substances.

  • Conduct regular environmental monitoring and assessments.

  • Treat and discharge wastewater in strict compliance with standards.

  • Upgraded dust removal systems in our pipe workshop for higher efficiency.

  • Our strong environmental record earned us a place on Guanghan’s first “Environmental Protection White List.”