Yantai Haishan Construction Machinery Co., Ltd. is a development and production, mainly engaged in construction machinery enterprises, the National Bureau of Quality Supervision sentinel manufacturers, strong technical force, sophisticated production equipment, detection means complete. Of the company's main products: QTZ40,QTZ63,QTZ80，QTZ125,QTZ160,QTZ250,QTZ315 series tower crane; QTZ63,QTZ105,QTZ125 flat-top tower crane; SC100/100 SC200/200 series construction hoist; of JS350 4000 series concrete mixer; PL series concrete batching machine; HZS 25-180series concrete mixing plant; YHZS25,50,75 series mobile concrete mixing plant; JZL series dynamoeletric-pedrail piling machines; HBT series concrete pump and gates hydraulic engineering machinery. At present, the company passed GB/T19001-2008/ ISO9001: 2008 Standard quality management system certification , CE authentication, GOST-R authentication. And made the People's Republic of China special equipment manufacturing license, certificate number: TS2410B25-2015. Has been named the "China Quality AAA grade credit enterprise", "China focus on the promotion of the well-known brand units", "China excellent quality assured brand" honorary title. The products have been sold nationwide and exported to North Korea, Mongolia, Russia, Kazakhstan, Ukraine, Turkey, Algeria, Saudi Arabia, United Arab Emirates, the Congo, Angola, Brazil and other countries.