Precision-engineered copper pipe fittings for refrigeration compressors and air conditioning systems.
Free samples, competitive pricing, and 24-hour quotation guaranteed.
About Company
Your ISO-Certified Copper Fittings Manufacturing Partner
Founded in 2011 and headquartered in Shaoxing, Zhejiang — one of China's premier manufacturing regions — Shaoxing Rongdi Mechanical Co., Ltd. is a National High-Tech Enterprise dedicated to designing and manufacturing precision copper pipe fittings. We serve leading HVAC and refrigeration brands worldwide with consistent quality, competitive pricing, and responsive service.
- ISO 9001 Certified
- National High-Tech Enterprise
- Multiple Patents
Products
Main Products
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![Copper Process Pipe]()
Copper Process Pipe
As the name implies, process tube is a process to be used in the production of
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![Copper Process Tube]()
Copper Process Tube
1.When two copper pipes are together, heat dissipation is accelerated and the
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![Copper Pipe Fittings]()
Copper Pipe Fittings
From the point of view of the structure design of refrigerator compressor, the
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![Copper Fittings for Refrigerator]()
Copper Fittings for Refrigerator
The process tube on the compressor is the port for filling and discharging the
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![Fridge Copper Pipe]()
Fridge Copper Pipe
Generally, the process tube of the compressor will be sealed by gas welding
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![Copper Fittings for Refrigeration]()
Copper Fittings for Refrigeration
The thermal conductivity of copper is better than aluminum, welding
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![Air Conditioner Insulated Alloy Pipe]()
Air Conditioner Insulated Alloy Pipe
Premium seamless air conditioner alloy pipe with thickened brass nuts, full
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![Pancake Copper Coil]()
Pancake Copper Coil
High pressure copper tone alloy aluminum pancake coil tubing in 10-30m length.
OEM & ODM Services
Custom Copper Fittings, Built Around Your Specifications
Since 2011, we have helped global HVAC brands turn drawings and samples into reliable, mass-produced copper pipe fittings. Share your requirements — our engineering team responds with drawings and quotation within 24 hours.
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01
Submit Drawings or Samples
Send us your CAD files, technical drawings, or physical samples. We accept all common formats and can work directly from your specifications or reverse-engineer from a sample.
CAD / DWG Files Physical Sample Reverse Engineering -
02
Engineering Review & Drawing Design
Our 50–80 person technical team reviews feasibility and delivers optimized drawings within 24 hours. DFM suggestions, material recommendations, and cost estimates included.
24h Drawing Response DFM Optimization Cost Estimate -
03
Sample Production & Approval
Pre-production samples are manufactured and 100% inspected before shipment. Free samples available for qualified projects. Tooling fees are refundable against your first bulk order.
Free Samples 100% Pre-Shipment Inspection Tooling Refundable -
04
Mass Production & Delivery
Two dedicated factories, 200+ skilled workers, and complete production lines ensure stable quality and on-time delivery. FOB/CIF/EXW terms supported via Shanghai & Ningbo ports.
2 Factories, 200+ Staff 15–25 Days Lead Time FOB / CIF / EXW
Trusted By
Global HVAC Brands That Source from Rongdi
Company Advantage
why choose RONGDY
We are a professional refrigeration spare parts supplier to meet all your demands and service with
more than ten years of production experience.
- Factory
- Team
- Quality
- Service
Our factory focuses on developing, designing and manufacturing various slip rings and 360°
rotation solutions.
- ● Since 2011
- ● Two factories
- ● 200+ Employees
- ● Products to 120+ countries
Being rich experienced, our team covers the needs of slip ring customization, featuring
for:
- ● 50-80 technicians
- ● Fast design (drawings available within 24 hours)
- ● Flexible program- customized for different industries
- ● Lean management, competitive price, 5%+ lower than competitor
ISO9001, SGS, CE, FCC, RoHs, GJB9001A Certificated
- ● Reliable raw materials - imported from critical material imported
- ● Highly guaranteed quality - with 20%+ life span higher than average
- ● 100% inspection before shipment
We serve every customer with craftsman spirit
- ● Full-time docking personnel
- ● 7*24 hours fast response
- ● Free sample delivery
- ● 6 months free replacement
Company News
Our Latest News
21Jun
Sourcing Custom T-Type Three-Way Pipes And Special-Shaped Fittings For VRF Sy...
In commercial Variable Refrigerant Flow (VRF) and VRV climate networks, refrige...
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21Jun
Enhancing HVAC System Efficiency: The Selection Of Copper Silencers And Filters
In the premium consumer appliance market, HVAC system excellence is measured by...
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14Jun
Engineering Guide For Sourcing HVAC Copper Span Pipes And Cross-Over Bends
Inside modern Multi-Split VRF systems and compact residential air conditioning ...
Read More