Beijing Tianxi Lobster New Residence Headquarters. Langfang Gu 'an Direct Store is located 50 meters north of Xinyuan East Street in Gu 'an County. Langfang Gu 'an Direct Store belongs to Beijing Tianxi Lobster New Residence Head Office, and its business scope includes prepackaged foods, bulk food, dairy products (including infant formula milk powder) and alcohol retail.