Shenzhen Tongda Tong Technology Co., Ltd. is a supplier of heat shrink tubing, cold shrink tubing, and fiberglass sleeves, based in Shenzhen, China. We have more than 20 years of experience in the heat-shrinkable materials industry.

Our product range covers polyolefin, Viton, PVDF, and PVC heat shrink tubing, widely used for insulation and waterproof protection in electronics, wire harness, and automotive applications.

Main products:

• Single wall heat shrink tubing
• Dual wall heat shrink tubing
• 10kV / 20kV / 35kV busbar heat shrink tubing
• Fiberglass sleeve
• Self-closing sleeve
• UL hook-up wire
• Heat / cold shrink termination kits
• PTFE tube
• PVC tube

Our advantages:

• One-stop supply of heat-shrinkable products
• Competitive pricing with professional technical support
• Supplier consolidation and shipment inspection on behalf of customers
• Export documentation and logistics support

We aim to be a reliable long-term supply partner, helping customers reduce cost through stable quality and efficient export service.