7.DIN 2391 precision hydraulic steel pipes are widely used in the engineering machine ,agricultural machine, industry devices. Its advantages include no oxide layer on the inner and outer walls, no leakage under high pressure, high precision, no deformation during cold bending, no cracks when expanding or flattening.
The products of our company are:precision steel pipes, honed tubes & piston rods for hydraulic cylinders. As one of the leading manufacturers in China, confirming to DIN2391/C, EN10305 and SAE J524 standard.
注: 建议图片大小150px*50px 
