How many branches does Xi An Qinghua Group have?

Xi An Qinghua Group 1 1 Holding companies include: Xi An Tsinghua Civil Blasting Equipment Co., Ltd., Shaanxi Tsinghua Automobile Safety System Co., Ltd., Xi An Tsinghua Automobile Safety System Co., Ltd., Xi An Lin Zhong Cork Technology Development Co., Ltd., Xi An Qingfeng Pharmaceutical Chemical Co., Ltd., Xi An Tsinghua Industrial Co., Ltd., Xi An Anlingdan Pharmaceutical Co., Ltd., Xi 'an Tsinghua Petroleum Blasting Equipment Co., Ltd. Xi 'an Elsie Co., Ltd., Shaanxi Haixin Tsinghua Pharmaceutical and Chemical Co., Ltd., Xi 'an Qinghua Investment Co., Ltd., Sichuan Glass Co., Ltd. and Beijing North Hi-Tech Venture Capital Co., Ltd.; The five research institutes include: initiating explosive device research institute, thermal battery research institute, initiating explosive device pharmaceutical research institute, pharmaceutical and chemical research institute and process equipment research institute.