About Us

High performance stainless steel tubing factory, nickel tube supplier and manufacturer, control line manufacturer, chemical injection line manufacturer,  all these above are the main keywords of our factory – Younglee Precision Tube Co., Ltd. We are the precision and high performance stainless steel tube factory of Younglee Group. We had been focused in the field of manufacturing precision stainless steel tubes and high performance stainless steel tubes since the 1990s, and joined as the member of Younglee in the year 2015.

As one of the leading China manufacturer of stainless steel tubing and nickel alloy tubes, our main products including:

  • Control Lines, including:
    – Control line tube
    – Chemical Injection lines
    – Coiled tubing    
  • Precision Seamless Stainless steel tubing, including:
    – Hydraulic tubing 
    – Bright annealed stainless steel tubes
    – High purity stainless steel tubing
    – Instrument tubing   
  • Nickel tubes and Pipes
    – Alloy 200 tubes, alloy 400, 600, 625, 825 tubes
    – Inconel tubing: inconel 625, 600, 718, 
    – Monel tubing
    – Incoloy tubing: incoloy 825

Featured Products:

1. Control Lines

Control line is one of our most important and popular products in the market, our factory have been a leading China control line manufacturer for many years.

We produce long coils (thousand of meters) of control lines with (OD) 3 mm (0.118”) to OD 25.4 mm (1.00”) , including popular sizes as 3/4″, 5/8″, 1/2″, 3/8″, 1/4″ control lines. And Our control lines can be supplied in 316L stainless steel, duplex stainless steel and nickle alloy 825, alloy 625, etc.

2. Chemical Injection Lines

Chemical injection line is our another important product, as a professional chemical injection line manufacturer, we produce full range of chemical injection line sizes and materials.

Size range: OD 3mm to OD 25.4mm, the most popular chemical injection line sizes are 1/4″, 3/8″, 1/2″, 5/8″, 1″

Materials: stainless steel 316L, duplex stainless steel 2205, 2507, alloy 825, alloy 625, etc.

Lengths: single coil length can upto 13500 meters depends on sizes and product form.

3. High performance stainless steel tubes

Our factory produce high performance stainless steel tubes, including high purity stainless steel tubes, bright annealed tubes, hydraulic tubing and instrument tubing. 
Especially, we can produce high purity stainless steel tubes and high purity gas tubing for applications of various industries where high purity, high cleanliness, and high performance are critical required, such as semiconductor industry, sports, pharmaceuticals, laboratory engineering, high purity gas industry, and more. 

Materials: 316 / 316L, 304 / 304 L, 316Ti, 2205, S31803

316L high purity tubing is the most popular, also we produce other materials of high purity tubes on customer’s requests.

Size Range: O.D 6 mm to O.D 120 mm, W.T 0.5 mm to 10 mm

Surface condition: We produce high purity tubes with surface condition of Bright annealed, Mechanically polished and EP(Electro-polished) upon customers’ request. The surface roughness can be max. Ra 0.25μm for EP tube, and Ra 0.4-0.6μm for bright annealed tube.

Factory Overview

As the leading China control line manufacturer, our factory covers an area of 20,000 square meters and a building area of 12,000 square meters. We have several stainless steel tube production lines, tube making units, and tube drawing units, well-type electric furnaces, online vacuum light furnaces and other production equipment. Our factory also has a Quality Control Center that meets the national stainless steel tube quality inspection requirements. Our Quality Control Center has a 300Mpa hydraulic test machine, tensile test bench, Vickers hardness tester, 500°C temperature resistance test furnace, eddy current flaw detector and a series of stainless steel products. Testing and inspection equipment to ensure the reliability and stability of the chemical and physical properties of stainless steel products.

As the professional control line manufacturer, chemical injection line manufacturer and other high performance stainless steel tubing manufacturer, Younglee has equipped full range of production and inspection equipment and facilities. 

Here below are the pictures of our equipment.