Qingdao Changhua Group Co.,Ltd. is a large-sized chemical fertilizer manufactur-ing-base with the largest production-scale and most varieties, which is located in Shandong peninsula, It have fixed assets of total RMB 0.68 billion and has the emp-loyment of 1,500 people, with integration of many trades as chemical, machinery, busin-ess and trade, architecture, food, service, installation, etc. The main products include ?Jinlang? brand urea, complex fertilizer, salvolatile, methanol and so forth, the annual chemical fertilizer output stands at 1 million tons, our service center country-wide can collocate any fertilizer with diff-erent content according to the different requirements of the customers.