The registration address of the city of huan jien park construction engineering company ltd. Is located in liu zhuang village township, yanyan city, hebei province, with the registration authority being the market supervision authority of the youngyan district, with legal representation and general projects: construction of the greening project for the garden; management of the city park; management of the greening of the city; land rehabilitation services; operation of trees; farming horticulture services; forest rehabilitation; agricultural professional and auxiliary activities; labour services (without labour contributions); sale of machinery equipment; construction of the earth stone works; sale of construction materials; sale of bricks; sales of hardware; sale of doors and windows; sale of building decoration materials; metal chains and other metal products; sale of metal products; sale of cement products; installation services for indoor wood doors and windows; installation services for general machinery; rental services (without licence rental services). (in addition to the projects subject to legal authorization, the activities are carried out on an autonomous basis in accordance with the law under a business licence) (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)