In 2021, Nonleak supplied a large-volume stainless steel piping package for the Chengdu Qingbaijiang District Hospital of Traditional Chinese Medicine project in Chengdu, Sichuan, China.
The supplied scope included 459,870 meters of 304 stainless steel pipe and 367,891 stainless steel Double Press fittings. The project provides a real-world reference for Nonleak’s ability to manufacture and supply press-connected stainless steel piping components at substantial project scale.
Project Overview
| Project | Chengdu Qingbaijiang District Hospital of Traditional Chinese Medicine |
| Location | Qingbaijiang District, Chengdu, Sichuan, China |
| Supply Year | 2021 |
| Project Type | Healthcare Facility |
| Project Partner / Responsible Party | Sichuan Boneng Gas Co., Ltd. |
| Piping Material | 304 Stainless Steel |
| Pipe Supplied | 459,870 meters |
| Double Press Fittings Supplied | 367,891 pieces |
| Connection System | Double Press |
Nonleak Supply Scope
The project supply consisted of a coordinated stainless steel pipe and fitting package based on the Double Press connection system.
Nonleak supplied:
- 459,870 meters of 304 stainless steel pipe;
- 367,891 Double Press fittings;
- matching press-connected components for the specified piping scope.
The volume of pipe and fittings required coordinated manufacturing, product matching and delivery across a large project supply package.
For the current product family, see Nonleak’s stainless steel Double Press fittings.
304 Stainless Steel Double Press Piping System
The supplied piping package used 304 stainless steel together with a Double Press connection system.
Double Press fittings use a mechanically pressed connection between the stainless steel tube, fitting socket and sealing element. The complete connection depends on the correct combination of pipe, fitting, seal, press profile and installation tooling.
For project procurement, the connection system should therefore be treated as a coordinated system rather than selecting the fitting body independently.
Nonleak’s broader stainless steel pipe range can be reviewed in our stainless steel pipes section.
Project-Scale Product Supply
One of the most significant features of this project was the scale of the supplied piping package.
| Supplied Product | Quantity |
|---|---|
| 304 Stainless Steel Pipe | 459,870 m |
| Stainless Steel Double Press Fittings | 367,891 pcs |
For a project of this size, product consistency is important across pipe dimensions, fitting geometry, material identification and connection compatibility.
The project therefore serves as a useful reference for Nonleak’s ability to support high-volume stainless steel piping procurement rather than only individual fitting supply.
Manufacturing and Quality-Control Support
Nonleak manufactures stainless steel pipes and fittings through controlled production and inspection processes. Quality-control requirements vary by product family and project specification, but key areas include material verification, dimensional inspection, surface condition, fitting geometry, connection-related checks and product traceability.
For more information about Nonleak’s manufacturing and inspection framework, see our quality control and testing page.
Project-specific certificates, inspection documents and technical records should always be confirmed against the exact supplied product and contract requirements.
Why This Project Matters as a Double Press Reference
This project provides three important forms of real-world manufacturing evidence.
Large-Volume Pipe Supply
The project required hundreds of thousands of meters of stainless steel pipe, demonstrating the need for production planning and consistent product supply over a substantial procurement scope.
Large-Volume Fitting Supply
With 367,891 Double Press fittings supplied, the project involved considerably more than a small demonstration installation or isolated product order.
Complete Pipe-and-Fitting System Supply
Supplying both the stainless steel pipe and matching Double Press fittings allows the piping components to be coordinated as part of one connection-system supply package.
This project reference does not replace the engineering approval requirements of a new installation. Product size, material, sealing element, service conditions, tooling, local regulations and project specifications must be checked independently for each new project.
Related Double Press Projects
Other documented Nonleak Double Press project references include the Baoji Central Hospital Port Area Branch project, supplied in 2022 with 132,980 meters of 304 stainless steel pipe and 100,095 Double Press fittings.
An earlier residential reference is the Hongbao Jinxiu Riverside project in Ningxia, supplied in 2018 with 75,103 meters of 304 stainless steel pipe and 41,620 Double Press fittings.
Related Double Press Products
Nonleak’s Double Press product family includes multiple fitting configurations for press-connected stainless steel piping systems, such as couplings, elbows, tees, caps and transition fittings.
Product size range, material grade, sealing element and tooling compatibility vary by fitting type and project requirement.
Explore the complete Double Press Fittings range for current product configurations and technical information.
Planning a Stainless Steel Double Press Piping Project?
Send us your pipe sizes, fitting schedule, material requirements, quantities, project location and applicable technical specifications.
Nonleak can support product selection, system coordination, quotation and technical documentation for stainless steel piping projects.
Project Data Note: Project quantities and supply information shown on this page are based on Nonleak project supply records. Application conditions and technical requirements for future projects must be evaluated independently according to the applicable design documents, regulations and project specifications.