20 years of R&D and production experience of plastic extruder machines.


Qingdao Lonchangjie Machine Co.,Ltd.Which have more than 20 years' experience of design and manufacture all kings of plastic extrusion lines, we have got CE, SGS, BV, IOS9001, etc.also can be provided according to client's customized requirement.

800mm Large Diameter HDPE/MDPE Water Supply and Gas Supply Pipe Extrusion Machine
Performance and advantages: The HDPE/MDPE water supply pipe and gas pipe production line independently developed by Changjie Company has a unique structure, high degree of automation, convenient operation, stable and reliable continuous production. The pipeline produced by this production line has moderate rigidity, strength, good flexibility, creep resistance, environmental stress crack resistance and good thermal welding performance. It has become the first choice for urban gas pipelines and outdoor water supply pipes.
Multi-Layer Pipe Plastic Extruder Machine HDPE SJ-120
Multi-Layer Pipe Plastic Extruder Machine HDPE SJ-120Performance and advantages: According to the special needs of users, we can provide 2-layer/3-layer/5-layer and multi-layer solid-wall plastic pipe production lines. Multiple extrusion plastic extruders can be unified and synchronized speed adjustment, and multiple meter weight control system can be selected , It is controlled by the main control console PLC to realize the quantitative extrusion of each extruder; The multi-layer spiral mold designed according to different layers and the thickness ratio of each layer.The reasonable distribution of mould cavity runners to ensure uniform layer thickness of the pipe and plasticizing better effect of the layer.
Professional Plastic Pipe Making Machine manufacturers
Advantages of PVC pipes:1. Excellent in chemical corrosion, no rust;2. With self extinguishing and flame retardant;3. Excellent in anti aging, can be used 20years to 50 years between the temperature from subzero 15 to 60 degrees Celsius;4. Wall is smooth, inner wall surface tension, it is difficult to form scale, the fluid transport capacity of 43.7% higher than the cast iron pipe;5. The weight is light, easy to flaring, bonding, bending, welding, pipe installation workload is only 1 / 2 to the steel pipes, low labor intensity, short duration;6. Good electrical properties of resistance, volume resistance of 1 to 3 x 105Ω.cm, breakdown voltage 23 to 2kv/mm;7. The toughness of PVC pipe is low, linear expansion coefficient is high, operating temperature range is narrow.
PE PP masterbatch pelletizing line recycling granulator machine
The PE/PP strand pelletizing production line consists of five units: plastic extruder, cooling water tank, blow dryer, pelletizer. The total length is about 12 meters. It is suitable for PVC, PP, PE, ABS, PS, etc. Granulation of other engineering plastics. The PE/PP strand pelletizing production line adopts a special screw design and different configurations, which is suitable for the production of PP, PE, PET, PS, ABS, PA, PVC, PC, POM, EVA, PMMA and other plastics for recycling and color mixing. grain. The main engine gearbox adopts a high-torque design to achieve low noise and stable operation. After special surface treatment, the screw and barrel have the characteristics of abrasion resistance, good mixing effect and high output. The design of vacuum exhaust and natural exhaust port can remove moisture and exhaust gas during the production process, so that the output is more stable, the rubber particles are more dense, and the excellent quality of the product is guaranteed. The hob-type pelletizer has the characteristics of stable rotation, uniform rotation, energy saving and power saving, and safe operation. Its special mold design makes the particles more uniform. The unique design and hardening treatment of the cutter make the equipment life longer.
PPR Pipe Production Line Extrusion Machine
PPR Pipe Production Line Extrusion MachineRaw material + color masterbatch → mixing → vacuum feeding → raw material drying → single screw extruder → color line extruder → Mould → sizing sleeve → spray vacuum setting tank → spray cooling water tank → inkjet printer → tractor → finished product inspection and packagingThe PPR pipe production line uses a special PPR high-efficiency extruder with German technology. The screw adopts a barrier and mixing head structure. The barrel adopts a new slotted barrel. The plasticization and mixing effect is good, and the extrusion volume is large and very stable.The PPR pipe extrusion machine is a spiral die head designed for PPR pipes. The die has the characteristics of low melt temperature, good mixing performance, low cavity pressure and stable production. The proprietary sizing and cooling system adopts water film lubrication and water ring cooling to meet the requirements of PPR materials and ensure the stability of the diameter and roundness of thick-walled PPR pipes produced at high speed.The PPR pipe making machine is specially designed with a multi-stage vacuum sizing box with vacuum control to ensure the dimensional stability and roundness of the PPR pipe. The extruder and tractor are driven and controlled by the frequency converter of Taiwan TECO, which has good stability, high precision and high reliability.
Soft PVC Sheet Production Line Extrusion Machine Manufacturer
Soft PVC Sheet Production Line Extrusion Machine Manufacturer1/The main machine adopts imported AC frequency converter driving. The temperature control meters adopt Japan RKC product. The ancillary machine vacuum pump and drawing motor adopt high-quality products. 2/The maintenance is simple. After the screw stem cylinder and mould are exchanged, it can straight extrude imitating wood foamed special material. The result is better than the single screw stem extruder.3/The sheet extruding production line adopts special-designed screw stem, material cylinder, moulds and processing technology. It is equipped with YF model shaped material ancillary to produce PVC productsApplication: PVC rigid sheet is widely used as the packaging material in hardware & tools, electron, food, medicine and handcrafts articles, and various kinds of slap-up pressing.Application: PVC soft board is widely used as the plastic carpet for cars, corridor curtains, table plate, equipment, cases, hardware pad, internal and external decorations.PVC Rigid Board, PVC Corrugated Board, PVC Wall Build-up Board Production LineApplication: Chemical, electroplating, smelting, water treatment, construction, and water-proof materials.Application: Decoration in internal wall, kitchen, bathroom of the hotels, bars, office building, villas; also it can be used to the external decoration of buildings; ceiling, table board, flooring, etc.
315mm PVC Pipe Production Line Making Machine Made in China
Plastic PVC pipe making machineThis PVC pipe machine consists mainly of twin conical (parallel) screw extruder, vacuum calibration tank, haul-off, cutter, tilter...etc. The screw extruder and haul-off unit have applied imported A/C inverter, the barrel and screw are under hard chrome plated an bimetallic treatment, effectively reduce the abrasion caused by the CaCo3 and other additives. Both vacuum pump and driving motor have applied excellent products.     The haul-off machine includes two-claw type, three-claw type, four-claw type, six-claw type, eight-claw type...etc. Sawing cutting machine or planet cutting machine can be applied, it is additionally equipped with length measuring meter and thickness increasing device, the property of machine group is reliable, the production efficiency is high, with special device, it can produce inner wall spiral pipe, inner wall hollow pipe, and core layer foam pipe...etc. Change the extruder, the line can also produce PP, PE, ABS, PP-R, PEX silicon core pipe and pipe of other material. The planetary cutting machine is fully automatic computer digital control; it has such advantages of simple operation, reliable property, etc. It has reached world advanced level.We can supply the online full automatic belling machine according to customer’s requirement.
PE/PP/PVC Single Wall Corrugated Pipe Extrusion Production line
PE/PP/PVC Single Wall Corrugated Pipe Extrusion Production lineDescription:PE PP PVC Single Wall corrugated pipe production line also called single wall corrugated pipe extruder, single wall corrugated pipe extrusion line, single wall corrugated pipe machine, single wall corrugated pipe equipment, single wall corrugated pipe extruder machine.ectThis pipe production line consists of Extruder, Mold Blocks, Corrugated Forming Machine, Cooling Equipment,Counting Machine and Auto winding system. It can continuously produce many kinds of diameter single wall corrugated pipe in high speed.We developed the mahcine on the basis of traditional structure, we give new designing on the forming table, we adopt SJ45, SJ65,SJ90,SJ120 to produce different range pipe diameter. our machine easy to operate, stable running, we provide long term after sell service.Applications:This machine can be used to produce single-wall or one wall corrugated pipe of PE,PP,PVC,EVA continuously, as well as PA corrugated pipes.plastic single-wall corrugated pipes have features of high temperature resistance, resistant to corrosion and abrasion, high intensity, good flexibility, etc. They are widely using in many fields, such as auto wire, electric thread-passing pipes, circuit of machine tool, protective pipes of lamps and lanterns wire, tubes if air condutioner and washing machine,etc...Molding corrugation pipe with smooth inside and outside surface,and even ripple at one time by corresponding die; Used as wire and cable passing pipe ,washing machine drain pipe,dust collector pipe and ventiduct; Small size corrugation pipe of 4-6.7 are used in car.
PET sheet production line
PET sheet application : food packaging, toys, boxes, stationery, gift boxes and hand tools, metal packaging.Antistatic Usage : electronic parts packaging.General purpose : folding boxes, clothing lining collar, credit card sheet, printing tape, tape-mold labels. PET sheet specifications:0.2, 0.25, 0.3, 0.4, 0.5, 0.8, 1.0mm-915*1220mm      
PPR Glass Fiber Reinforced Water Pipe Extrusion Line
1. Equipped with special single-screw extruder; it has the characters of quick extruding, high efficiency and so on.2. The specially designed co-extrusion die head is reasonable in flow channel, smooth in both internal and external walls, and small in internal stress. 3. Pipe diameter is among 16-160 mm and diameter 20mm production speed reaches to 20 m/min.4. If added one co-extrusion die head on original base, it can produce PP-R fiber glass reinforced composite pipe.
Double Plain Wall H type hollow wall spiral drainage pipe extrusion line
Brief Introduction:HDPE large diameter hollow wall winding pipe has been recognized as a substitute for cement pipes and cast iron pipes because of its superior properties for water drainage. Changjie is the authority manufacture in China. We have the strongest technology advantages and rich experience on pipe production and installation. Our line has advantages of advanced design, high configuration,reliable operation and long life span.The capacity of same model is much higher than domestic industry. Especially big models for large diameter pipes can meet the need of big customers home and abroad. The quality and performance of our line reach leading level in the world.
PP Strap Making Machine
PP Strap Making Machine.Applications:This PP strap band production line is used to produce mechanical or manual bands with 100% PP recycled granules as materials, if raw materials, it will be better. This kind of band is widely used in the packing of kinds of fields such as mines, general merchandise, weaving, electrical equipment, apparatus, architecture, medicine, etc.

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