山東勝豐檢測科技有限公司山東勝豐檢測科技有限公司成立于2013年3月，公司工作場所總面積1360m2，實驗室面積735.86m2。擁有環境檢測、工作場所（職業衛生）檢測、公共衛生檢測、職業衛生評價、環境監測驗收等業務。

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.