Qingdao jinke construction machinery development co., ltd ,which was founded in1998 with a capital of cny15.000.000,is a private science and technology enterprise in qingdao city,china, mainly engaged in the development and manufacture of construction machinery and the large steel structure manufacturing business. our corporation governs some branches such as the building structure machinery factory, research institute, the leasing company and other departments. we have more than 160 employees, including more than 30 senior professional and technical personnel. it is large and medium-sized machinery processing equipments, testing equipments, instruments that provide us with foundations of high-quality productions. as to graphics equipment,we adopt microcomputer autocad, caxa to aid our design drawings of products. the main products of the company tower crane series: qtz40(tc4608),qtz63(tc5013),qtz80(tc5015),qtz80(tc5512),qtz80(tc5513/tc5515),qtz100(tc5020)，qtz100(tc6013) tower cranes; construction elevator series : ss100/100(material hoist),sc200/200(personnel and material hoist) ; js series of concrete mixer: js500,js750,js1000,js1500 pld series ingredients machine : pld800 c batching, pld800 b batching, pld1200 e batching, pld1600 b batching, pld2400 b batching. hcd70 vibration impacting hang hw-40/60 frog style rammer gw6-40 steel bar bending machine hql-12、18 concretes joint-cutting machine