上海怡盛贸易商行（原：昆山市兵希精细药用原料厂）

Kunshan Bingxi Fine Pharmaceutical Raw Material Factory was established in the 1980s as a township enterprise and transformed into a private enterprise in the 1990s. Located in the Chemical Industrial Park of Qiandeng Town, Kunshan City, Jiangsu Province, which boasts convenient transportation—30 kilometers east of Shanghai and 25 kilometers west of Suzhou—the factory primarily produces pharmaceutical and pesticide intermediates. Its main products include o-ethylaniline, liquid DDM, p-nitroethylbenzene, and other pharmaceutical raw materials. With advanced equipment and sophisticated technology, the products are sold both domestically and internationally, earning high praise from customers.