For automotive construction and maintenance the demand for highest quality automotive parts is no longer behind the supply and we take pride to be listed among to Carotene Manufacturers and Exporters. Hangzhou Spring Biotechnology Co., Ltd. LLC owns cutting edge technology equipment and a high end manufacturing facility to deliver Vitamins, canthaxanthin, beta carotene, D biotin with unbeatable quality standards. To excel in what we do our manufacturing facility follows a strict quality maintenance system being a legal entity with Own Lisence. Our business history holds successful 7 Years of export and eventually growing export marketshare that has now reached Australia,Canada,India,South Korea,United Kingdom.Headquartered in Hancheng, Shaanxi, China, our professional enterprise was first introduced with a total business capital of US$10 Million - US$50 Million, in 2013. Combining top notch products, speedy shipping and professional customer support our experience led us to score Approx 2 Million US Dollar worth revenue in a year reaching export ratio of around US$2.5 Million - US$5 Million.