1. Photographic industry for the preparation of film photographic liquid. Medicine for the production of diuretics and sedatives. Spice industry for the production of synthetic spices. Printing and dyeing industry used as a brominating agent. In addition, it is also used for organic synthesis, etc.

2. Micro-determination of cadmium. Manufacture of bromide. Inorganic and organic synthesis. Photo paper version. Pharmaceuticals.

3. The pharmaceutical industry is used as a diuretic and sedative. For the treatment of neurasthenia, neurological insomnia, mental excitement and so on.

4. For the preparation of photographic film with photosensitive liquid. The pharmaceutical industry is used as a diuretic and sedative. Also used in the synthesis of spices, pharmaceutical and dyestuff industry, but also for the preparation of automatic dishwasher detergent

Qingdao Sigma Chemical Co., Ltd.is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Qingdao Sigma Chemical Co., Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.