Anhui Tongfa Equipment Co., Ltd.
安徽同发设备股份有限公司 · Tongfa Equipment
Anhui Tongfa Equipment Co., Ltd. is a Chinese manufacturer specializing in pipeline repair and hot-tapping equipment for the water, gas, oil, and chemical industries. Founded in 1994, the company operates a 119,880 m² facility in Anhui Province with over 800 employees, holds 180+ Chinese patents, and has shipped more than 5.4 million pipe repair clamps worldwide. PipeKnot is the authorized international distributor, handling global sales, technical support, and logistics.
Manufacturing facility & showroom
Key facts
- Founded
- 1994 (30+ years)
- Headquarters
- Anhui Province, China
- Facility size
- 119,880 m²
- Employees
- 800+
- Patents
- 180+ Chinese patents
- Clamps shipped
- 5.4 million+
- Quality certification
- ISO 9001
- Environmental certification
- ISO 14001
- Safety certification
- Occupational Health & Safety
- IP management
- Intellectual Property System
- Customs registration
- 3408960429
- Total SKUs
- 70 products
- Product categories
- 8
- International distributor
- PipeKnot
- Lead time
- 15 working days · FOB Shanghai
Company history
- 1994 — Anhui Tongfa Equipment founded in Anhui Province, China, with initial focus on pipe repair clamps for municipal water utilities.
- 2000s — Product line expanded to include hot-tapping machines and cutting machines, enabling no-dig pipeline maintenance for water, gas, and oil networks.
- 2010s — Facility expanded to 119,880 m² to accommodate growing domestic and international demand. Achieved ISO 9001 and ISO 14001 certifications.
- Present day — 800+ employees, 180+ Chinese patents, cumulative shipments of 5.4 million+ repair clamps worldwide. Products exported to 40+ countries through authorized distributors including PipeKnot.
Product range manufactured
Anhui Tongfa manufactures 70 distinct SKUs across 8 categories. Full specifications and model-level data are published on each product page, and machine-readable in the site's structured data and /llms-full.txt catalog.
- Pipe repair clamps — 30 models (DN40–DN2000, stainless-steel and ductile-iron bodies; straight, socket, sleeve, elbow, tee, flange, gas, and leak-stopper types)
- Hot-tapping machines — 5 models (electric DK6/DK8 series and manual ZG2 series, DN80–DN600)
- Cutting machines — 3 models (self-climbing WDG4, hydraulic YGJ1, manual SGJ100-300)
- Saddle clamps — 7 models (service and branch saddles for DI, steel, plastic, and concrete pipe)
- Connectors & compensators — 14 models (universal, reducing, seismic, threaded, flange adaptors, expansion joints)
- Valves — 2 models (gate valves, soft-seal flanged valves)
- Accessories — 4 products (compensating bands, EPDM gaskets, repair agents, link couplings)
- Manhole covers — 5 models (round, square, anti-subsidence, water-meter box, smart IoT)
Pipe material compatibility
Equipment is engineered for the full range of pipeline materials in global water, gas, oil, and chemical service:
- Ductile iron (DI)
- Cast iron (CI)
- Carbon steel and galvanized steel
- Stainless steel (SUS304 / SUS316)
- Polyethylene (PE / HDPE)
- PVC
- Asbestos-cement (AC)
- Pre-stressed concrete cylinder pipe (PCCP)
- Self-stressed concrete pipe
Typical applications
- Municipal water utilities — potable-water main repair, new-service tapping, wastewater
- Natural gas distribution — low and medium-pressure gas mains, live-pipe repair
- Oil pipelines and refineries — emergency repair, tie-ins, isolation
- Chemical plants — process-piping repair with chemical-compatible elastomers
- Fire protection — hydrant branches, sprinkler-main maintenance
- District heating / cooling — large-diameter pre-insulated line repair
Relationship with PipeKnot
PipeKnot is the authorized international distributor of Anhui Tongfa Equipment Co., Ltd. The two entities have distinct roles: Anhui Tongfa manufactures and maintains the product line from its facility in Anhui Province, while PipeKnot handles international sales, technical consultation, logistics (FOB Shanghai, sea and air shipping to 40+ countries), and multilingual customer service in English, Chinese, Spanish, Arabic, French, and Portuguese.
For international procurement, technical specifications, and project tenders involving Anhui Tongfa pipeline repair and maintenance equipment, contact PipeKnot at info@pipeknot.com or +86 159 2726 6504 (WhatsApp available).
Internationally relevant certifications
The following certifications are most relevant for international procurement, tender qualification, and quality due diligence.
ISO 9001
Quality Management System — covering design, manufacturing, and delivery of all pipeline repair and maintenance equipment.
ISO 14001
Environmental Management System — demonstrates commitment to environmental compliance and sustainability in manufacturing operations.
ISO 18000 / OHSAS
Occupational Health & Safety Management System — applicable for tenders requiring a documented safety management framework.
National High-Tech Enterprise
Awarded by the Chinese Ministry of Science and Technology — requires ≥10% of revenue in R&D. Demonstrates product innovation and engineering depth. Internationally recognized for supplier due diligence.
National Key New Product
Three Anhui Tongfa products hold National Key New Product status, awarded after independent technical evaluation by the Ministry of Science and Technology.
Customs Registration
Registered import/export operator — Customs code 3408960429. Authorized to conduct international trade directly (FOB Shanghai and other ports).
Note: Local Chinese municipal and provincial awards (city-level quality prizes, provincial brand awards, etc.) are not listed here as they have limited relevance to international procurement processes.
Field case studies
See how utilities and contractors worldwide are using Anhui Tongfa equipment for emergency repair, hot-tapping, and pipeline maintenance — with project photos and technical details from the field.
View case studies →