Coated Surface Treatment and Hot Rolled Technique black stainless steel sheet

Standard sea package or as customer required

Coated Surface Treatment and Hot Rolled Technique black stainless steel sheet

Production Process for Stainless Steel sheet 

Annealed stainless steel, first use NG-9-1 chemistry to remove black skin. If there is oil, use NZ-B to remove oil to remove oil → wash → electrolytic polishing (this liquid is used directly for working fluid, Temperature 60 ~ 80 ° C, workpiece hanging anode, current Da: 20 ~ 15A / dm2, cathode is lead - bismuth alloy (including 8%) Time: 1 ~ 10 minutes, polished until → wash → 5 ~ 8% hydrochloric acid Release the film (room temperature: 1 to 3 seconds) → wash with water → blow dry.

RENDA Steel Workshop

Our main businesses are:stainless steel plate,coil,pipe,carbon steel, galvanized steel etc.

Package and delivery 

1.Anti-collision package edge

All parts of the machine are covered with some soft materials, mainly the use of pearl wool

2.Fumigation wooden box:

Our wooden box is fumigated, do not need to check the wood, saving the transport time.

3.Whole tray packaging machine:

The tray is used as a carrier and package or product is stacked on the tray and fixed by strapping wrapping or gluing to form a handling unit for handling by mechanical equipment

4.Tray Package at the bottom of a solid iron socket for easy handling

2.Our main businesses are:stainless steel plate,coil,pipe,carbon steel, galvanized steel etc. We own our own steel factory which mainly produces stainless

steelplate,coil,pipe,carbon steel,galvanized steel and pipe ,etc.

Company Profile

Shandong Renda International Trade Co., Ltd.

We own our own steel factory which mainly produces seamless pipe, spiral pipe, square and rectangular tube, galvanized pipe and so on. In addition, RENDA also have deeply cooperation with Jinan Steel, Laiwu Steel, Handan Steel, Anyang Steel and Maanshan Steel etc.Our company always focuses on the integration of resources, also with the concept of win-win cooperation. We look forward to be your reliable and quality partner!RENDA has been in steel manufacturing and trading business since 2002. With more than 14 years' commitment, RENDA always stick to the principle: best service derived from the best quality, developed into the Chinese largest steel manufacturing conglomerate.

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