About Us

Smart Joint is the manufacturer of high density polyethylene (HDPE) fittings and fusion machinery which are sold world widely through our distribution partners since 1992. We are a fully-fledged ISO certified company. With more than 20 years’ experience in manufacturing, Smart Joint has the know-how in polyethylene systems and is dedicated to focusing on the future and current technology. With full lines of products, innovative R&D team Smart Joint are keen to be your one-stop factory for HDPE fittings, fusion machines and other special requirement. READ MORE »

Main Products
  • Electrofusion Fittings
  • Electrofusion FittingsSmart Joint was established in 1992 and is a fully fledged ISO certified company. With more than 20 years’ experience in manufacturing, Smart Joint has the know-how ...
  • Butt Fusion Fittings
  • Butt Fusion FittingsSmart Joint was established in 1992 and is a fully fledged ISO certified company. With more than 20 years’ experience in manufacturing, Smart Joint has the know-how ...
  • HDPE Transition Pipe
  • HDPE Transition PipeSmart Joint developed HDPE transitional fittings in 1997 and patented. It is widely adopted in gas pipeline installation when there is necessity to transit the pipe ...
  • Siphonic Drainage Fittings
  • Siphonic Drainage FittingsThey possess the advantages of good toughness, good flexibility, low temperature resistance and long service life. With light weight, siphonic drainage fittings are ...
  • Fusion Machine
  • Fusion MachineSmart Joint has been supplying municipal water sectors, gas industries and mines globally with cost-effective PE butt fusion fitting, electrofusion fittings, drainag...
HDPE Fittings Application
  • HDPE Fittings for Gas
  • HDPE Fittings for GasFounded in 1992, Jilin Songjiang Smart Joint Company is the first enterprise engaged in research and development of plastic pipe fusion welding technology and products in China. The subclass products of HDPE gas pipe fittings or HDPE fittings for gas...
  • Water and Mining Flange Adapter
  • Water and Mining Flange AdapterSongjiang Smart Joint Company is capable of producing PE stub flanges that are used for PE pipe connection. The nominal diameter of this HDPE pipe flange adapter is from 40 mm to 1200 mm. The flange thickness could be SDR11, SDR17, SDR21 and SDR26...
  • HDPE Fittings for Water
  • HDPE Fittings for Water1. Hygienic. HDPE fittings for water will not cause any damage to the human body. 2. Safety. Our polyethylene pipe fittings have enough strength, and excellent mechanical properties, anti-aging and heat-resisting performance. 3. Energy Saving...
  • Irrigation Fittings
  • Irrigation FittingsIrrigation fittings made by Smart Joint Company are characterized by good workability, impact resilience and small flow resistance. They also enjoy the advantages of light weight, good toughness, low temperature resistance and ageing resistance. This type of HDPE fitting...
  • Siphonic Drainage Fittings
  • Siphonic Drainage FittingsSiphonic drainage fittings play an important role in the drainage system of buildings. It can improve the drainage of kitchen and toilet. The whole siphonic roof drainage system includes HDPE sewage fittings and pipes, concealed cistern, floor drain and flush...
  • Wastewater System
  • Wastewater SystemPE pipe fittings are cost-effective for a number of piping problems in metropolitan, municipal, industrial, underwater, mining, landfill gas extraction, cable duct and agricultural applications. HDPE fittings are also widely used in wastewater...
  • Hot Water Conveyance
  • Hot Water Conveyance1. HDPE fittings for hot water conveyance have long service life. Under normal working conditions, they can be used for more than 50 years. 2. Our polyethylene pipe fittings possess excellent corrosion resistance and can withstand a variety of chemical...
  • Industrial Fluids Transfer
  • Industrial Fluids TransferJilin Songjiang Smart Joint Co., Ltd. is a professional manufacturer and supplier of HDPE pipe fittings in China. We are able to supply industrial pipe fittings for industrial fluids transfer. We possess professional team for product quality, development and...
  • Telecommunications
  • TelecommunicationsPE telecom pipe is a new type of composite plastic pipe, which is made by solid silica gel lubricant in its internal wall and the external wall is made from HDPE. It is the infrastructure to build communication network. HDPE pipe for telecommunication is highly...
  • Agriculture
  • AgricultureSmart Joint Company manufactures durable agricultural HDPE pipes for customers. This type of high density polyethylene pipe is made from high quality HDPE material. Water that flows through the agriculture pipe is safe for drinking purposes, as it is free from...