1, the product quality control using the ISO9001 quality certification management, and has several cathode welding, solid solution heat treatment, online eddy current testing, hydrostatic testing, materials, mechanical and metallurgical testing and process performance. 2, the diameter from Φ6-273,8 * 8-150 * 150,10 * 20-100 * 150, thickness: 0.3-6.0mm. 3, food hygiene tube material: 304,304L, 316,316L Usage: milk and food industry, pharmaceutical industry, special interior surface requirements of the industry. Technological features: internal weld leveling treatment, solution treatment, the inner surface of the electrolytic polishing. Features: the inner wall surface roughness of Ra 0.2 or more, and less residual wall, to prevent bacterial growth, electropolishing passivation effect, the inner wall of good corrosion resistance. Heat exchanger tube uses: heaters, boilers, heat exchangers, condensers. Features: pipe wall is smooth, water resistance bottom, can withstand high water flow rate of erosion, after solution treatment, mechanical properties, corrosion resistance of the weld bead and the matrix is ??consistent, excellent deep-processing performance. Thin-walled stainless steel pipes purposes: mainly for drinking water projects, other fluids demanding delivery. Main features: 1, long life (over 100 years); 2, failure rate, low leakage; 3, conveying good water quality, will not precipitate harmful substances into the water; 4, cost-effective service life of up to 100 years of stainless steel pipe almost no maintenance, low overall cost; 5, good hydraulic conditions, pipe wall scaling, smooth, low water resistance; 6, can withstand up to 30M / S above the high water flow erosion; 7, Ming tube laying, beautiful appearance. Health requirements: potassium hypochlorite solution soak. Mechanical structure, decorative stainless steel pipe Uses: severe pollution, the sea salt spray environment, the ambient atmosphere have serious acid rain tube, square tube, rectangular tube, variety and reasonable prices!