山東國瑞金屬表面處理有限公司是2020年注冊成立，公司座落在著名的勝利油田所在地——山東省東營市，位于牛莊油地融合產業園區，是東營地區經環保局批準而注冊成立的一家專業從事化學鍍鎳（鎳磷鍍）金屬表面加工的公司，其主要業務是化學鍍鎳加工，鎳磷鍍ENP工藝可在鋼、銅、鋁等基材上沉鍍，并以良好的工藝性和優秀的鍍層性能，在電子和計算機、航空航天、化學化工、石油天然氣、機械、汽車摩托車、精密儀器、食品機械、醫藥、紡織、市政路政等行業廣泛應用。

Aleader Machinery is a modern manufacturing company specializing in investment casting, heat treatment, precision machining and surface treatment. We are committed to providing our customers with high-quality castings and manufacturing solutions.

SLAA Tape is a adhesive tapes manufacturer in China, professional supply and convert high quality adhesive tapes. We have over 10 years experience converting the Masking tape, Gaffers tape, Painters tape, Splicing tape, Aluminum foil tapes.

Dongying Highco Metal Manufacturing Co.,Ltd. is a professional manufacturer and supplier in Steel Handrail Railing Fittings and glass railing system fittings in stainless steel materials, satin and mirror surface finish.

DeYou Tape Co., Ltd. as one of the largest aluminum foil tape manufacturer, main products include Aluminum foil tape, FSK tape, Aluminum foil glass cloth tape, Foil scrim tape, PET laminated foil tape.

Shengya Chemical is the professional manufacturer of sodium chlorite and its related chemicals in China. The main products are: Sodium Chlorite Solid, Liquid Sodium Chlorite, Chlorine Dioxide, Sodium Bisulfate.