• MENSU INTERNATIONAL LIMITED is professional steel tubes and CNC parts supplier from China, integrating industry and trade, has over 20-years manufacturing and 10-years exporting experience.

    Our own factory HONGSHENG is located in Zhangjiagang city, has workers of 100, annual output is 110000 tons for precision steel tubes and 50000 tons for CNC parts, covers area is 206000㎡, modern standard workshop area is 147000㎡, has passed the authentication of ISO9001, ISO14001,ISO16949, ISO45001,etc ; our foreign sales department is located in Ningbo city, has staff of 5-10, with name of Ningbo Mensu Import&Export Co.,Ltd.

    Also we have 200 strategic cooperation factories and stockist, thus we can supply both customized goods and stock goods!

    We have wide range of excellent products: CNC parts for automobile and mechanical equipment, carbon steel precision steel tubes, alloy steel precision steel tubes, stainless steel precision steel tubes, bundy tubes, capillary tubes, cylinder tubes, piston rods, boiler tubes, exhaust tubes, special shaped tubes, etc. Products have passed the inspection of SGS,TUV,UL, and some are used by international famous brands, such as: Benz,GM,TOYOTA,Hyundai,FAG,TPI,TPB,UOP,RSB,etc.

    Strong deliverability and High performance cost ratio enabled us to win  customer's satisfaction and recognition,we've been building relationships with over 300 customers from 30 countries around the world, such as: Korea,Singapore, India, Germany, Slovakia, , Italy, Mexico, Columbia, Venezuela, Brazil, Egypt,etc.

Strong Deliverability
Strong Quality Guarantee
Rich Export Experience
High Service Quality
Precision Steel Tubes
Seamless Precision Steel Tubes Welded Precision Steel Tubes Precision Steel Tubes with Processing Application: bearing, suspension system and engine system of car
Bundy Tubes
We have single wall bundy tubes and double wall bundy tubes,which are widely used for refrigerator,freezer,car brake system. Technical standards: ASTM A254,SAE J526,SAE J525,YB/T 4164,etc Steel grade: BHG1,SHGI Coating: copper coated,white galvanized,PVF,zinc plating-coloring,nylon,etc
Capillary Tubes
Capillary tubes are widely used for medical, electronic, aerospace, food machinery, kitchen utensils and other fields. Technical standards: ASTM A249,ASTM A269, EN10217-7,etc Steel grade: SUS316L,316,321,310,310S,304,304L,302,301,202,201
Cylinder Tubes
Regular sizes we supplied are ID50xOD60mm ID60xOD75mm ID70xOD80mm ID80xD90mm ID90xOD100mm ID100xOD112mm etc Technical standard we can follow:EN10305-1,EN10305-2,ASTM A513,ASTM A519,etc Steel grade we produced:ST52,E355,16Mn,1010,1020,1026,1045,25Mn,etc We’ve exported them to Italy, Russia, Poland, Kuwait, India, etc.
Piston Rods
We have hollow piston rods and solid piston rods which work as a connecting part of oil cylinder and air cylinder. Surface roughness: Ra 0.1-0.4 Tolerance: ISO f7 f8 Production process: QT(quenching and tempering),chrome plating. Steel grade: ST52,E355,45#,40Cr,2Cr13,SUS304,etc
Pure Seamless Stainless Steel Small Diameter Tubes
2004 began to develop seamless stainless steel coil, the production of precision instrument tube, material: 304 l, TP304 / TP316L and TP321, TP317L etc., specifications are: OD4mm-38.1mm, WT0.71mm-3mm, small diameter stainless steel straight pipe length of about 4-6.1 meters, stainless steel seamless coil length up to about 500-1000 meters, can also be composed of multi-plate seamless coil butt connection of several thousand meters of super long stainless steel seamless coil; Straight pipe mainly export, suitable for instrument control system, liquid crystal panel, solar panel and other semiconductor enterprises gas transmission pipeline; Seamless stainless steel coil is mainly used in heat exchange coil, fluid, gas, heat tracing coil (heat tracing coil), steam insulation pipeline, high pressure fluid transport pipeline, and suitable for oil drilling platforms, ships and other hydraulic control pipeline, aerospace and petrochemical refining equipment, winding heat exchanger, stainless steel insulation cable, umbilical cable, PVC sheathing stainless steel pipe cable.
Exhaust Tube
SPCC exhaust tubes, aluminized steel tubes,big diameter and thin wall exhaust tubes. Sizes of 127*1.2, 127*1.4 ,127*1.5, 101.6*1.2, 101.6*1.4, 101.6*1.5 are our unique and special products, only our factory can produce it. Technical standards: ASTM A513,EN10130,DIN2393,EN10305-2,etc Steel grade: SPCC,SPHC,AISI1008,Q195,Q235,DC01,DC03,DC04,DC05,DC06,etc
Tubes for Boiler&Heat Exchanger
Carbon steel boiler tube Stainless steel boiler tube Alloy steel boiler tube Seamless boiler tube Welded boiler tube Rifle tube Omega tube
Processing Piece
Bearing Rings Precision Bearing Rings CNC Processing Piece
0086-18268638581 (Mobile/WhatsApp/Wechat)
301-23 Room,Tianjian Lane No.26, Shounan Street, Yinzhou Strict, Ningbo City, Zhejiang Province, CN
You can also consult with our staff directly for the questions.