東營市產品質量監督檢驗所是東營市市場監督局領導下的地級市綜合性產品質量監督檢驗機構，是社會公益型非營利的事業單位。1985年9月23日經東營市編制委員會批準成立，1996年列為副縣級事業單位。主要工作職責是受政府部門委托開展工業產品質量監督檢驗工作、產品質量檢驗檢測、認證檢驗、咨詢、評價及風險監測等技術服務工作；參與標準制修訂及驗證工作；為缺陷產品召回工作提供技術保證；面向社會提供相關技術服務

Aleader Machinery is a modern investment casting manufacturer, We are specialized 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 Gaffers tape,Masking Tape, Splicing tape, Aluminum foil tapes, Washi Paper Tape etc.

Dongying Highco Metal Manufacturing Co.,Ltd. is a Stainless Steel Railing Fittings Manufacturer n China .We do not only produce these parts according drawings or samples from our customers, but also offer our design or idea to help our customers improve these products.

DeYou Tape is a lager aluminum foil tape manufacturer in china. We supply synthetic rubber resin adhesive tape, Water-based acrylic adhesive tape, solvent-based acrylic adhesive tape, alum foil glass cloth tape, reinforced aluminum foil facing.

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

Dongying Tianqi Technology Co., Ltd. is a leading stainless steel fasteners manufacturer located in the Dongying Economic and Technological Development Zone, China. Top-quality Stainless Steel Screws, including Hex Socket Screws, Cross Recessed Machine Screws, Self Drilling, Self Tapping, and Set Screws. It's selection features 304, 316, 316L, and 2205 stainless steel options, with GB and DIN standards. Durable, reliable screws for all your industrial and construction needs.