Yantai Langchao Machinery Manufacturing Co., Ltd.
Yantai Langchao Machinery Manufacturing Co., Ltd.
Yantai Inspur Machinery Manufacturing Co., Ltd. is located in Yantai, a coastal city. We provide one-stop services including mineral processing experimental research, engineering design, mechanical design and manufacturing, equipment installation and commissioning, as well as personnel training for mines with a daily processing capacity of 50,000 tons or below.
The company employs a team of medium and senior technical professionals graduated from renowned universities and institutions such as Northeastern University, Tsinghua University, Central South University, Shenyang Institute of Gold Technology, Inner Mongolia University of Science and Technology, Liaoning University of Science and Technology, Shandong University of Science and Technology, Baotou Iron and Steel Design Institute and Wuhan Iron and Steel Group. Equipped with a full range of large and medium-sized processing equipment, we boast strong independent R&D and manufacturing capabilities.
We strengthen the development of our technical team, establish advanced Computer Aided Design (CAD) network and Management Information System (MIS). Taking the lead in launching the Pre-sales Service Commitment System, we offer customers professional services covering plant site selection, equipment model selection, technological consultation and investment decision-making.
Mineral Processing Technologies We Provide
Resource development technologies for metallic and non-metallic mines, including gold-silver ore, copper-iron-lead-zinc-cobalt ore, tungsten ore, manganese ore, tin ore, spodumene ore, fluorite ore, graphite ore and mica ore (involving experimental research, process testing and mineral processing plant design);
Experimental research on silicon reduction and grade improvement for aluminum concentrate, iron concentrate and fluorite concentrate;
Recovery and comprehensive utilization technology of tailings from flotation and cyanidation processes;
Recovery of valuable elements such as copper, zinc, iron, gold and silver from smelting slag generated in pyrometallurgical processes, as well as tailing residue utilization technology;
Comprehensive utilization technology for fly ash from thermal power plants: separation of fine carbon powder, floating beads, microbeads and magnetic beads, and application of residual ash in the building materials industry;
Research and design of treatment processes for industrial wastewater (mine tunnel water, shaft water, mineral processing wastewater, cyanide-containing wastewater and chemical industrial wastewater).
Mineral Processing Machinery Products We Supply
Crushers (jaw crusher, double roller crusher, cone crusher, hammer crusher); Ball mills (overflow type, grid type, dry type, central drive type); Vibrating screens (circular vibrating screen, dewatering screen, self-centering vibrating screen); Classifiers (single spiral classifier, double spiral classifier); Hydrocyclone (groups); Flotation machines (inflatable combined units of LCF+BKF/XCF+KYF, self-priming SF/BK series); Agitation tanks (high-efficiency, lifting, high-concentration, ordinary, pharmaceutical pickling, flocculant mixing types); Gravity separation equipment (jig concentrator, shaking table); Magnetic separators, thickeners, filters; Gold and silver cyanide leaching and carbon-in-pulp equipment (double-impeller leaching tank, three-layer washing thickener, zinc powder feeder, deoxidation tower, zinc powder mixing device, air lifter, carbon lifting pump, carbon separating screen, desorption and electrolysis equipment); Feeders (plate feeder, trough feeder, disc feeder, pendulum feeder, belt feeder, vibrating feeder); Belt conveyors (corrugated sidewall type, TD belt type), etc.
In product manufacturing, adhering to the philosophy of Building a National Brand, we strictly comply with the ISO9001 international quality management system certification standards, national standards and industry standards. We optimize testing and inspection methods, implement the zero-defect quality management concept throughout every production process, and enforce a one-vote veto system for quality inspection. Our reliable product quality has earned wide recognition from customers:
Inspected by the Product Quality Supervision and Inspection Institute of the former Shandong Provincial Bureau of Quality and Technical Supervision, our MQJ2736 rolling bearing ball mill, 2FLGT-24 high-weir double spiral classifier, XCF-8 inflatable flotation machine, KYF-16 inflatable flotation machine and NZSG-12 thickener all meet national standards with qualified test results;
The 2736 rolling bearing ball mill manufactured by our company achieved a successful one-time trial operation after installation in the mine of Shandong Gold Group, winning the Science and Technology Progress Award of Shandong Gold;
50 sets of XCF+KYF inflatable combined flotation units supplied by us realized smooth one-time commissioning with all indicators performing well in a large lead-zinc mine in East China;
The ∮3.2×3.1m rolling bearing ball mill has operated safely for more than 15 years in Daye Iron Mine of Wuhan Iron and Steel (a central enterprise), gaining high praise from the mine;
As of December 2025, the ∮3.2×3.6m rolling bearing ball mill has run stably and safely for over 12 years in a polymetallic mine in Sichuan;
Two sets of ∮2.7×3.6m rolling bearing ball mills have maintained safe operation for more than 19 years in the lead-zinc polymetallic mine of China Minmetals Corporation, a rare record in the industry.
After-sales Service
We provide timely, thoughtful and responsive after-sales support. Professional technical guidance is offered to customers via telephone, online video and on-site service, winning long-term trust from clients. We solemnly promise: lifetime technical maintenance service for all delivered equipment, completely eliminating customers’ worries.
With over 20 years of honest operation and steady development, our company has standardized corporate management and an excellent credit rating. We have been awarded the Demonstration Unit of China Enterprise Credit Certification System, AAA-level Integrity Operation Demonstration Enterprise, AAA-level Contract-abiding and Credit-worthy Enterprise, and AAA-level Quality-focused and Trustworthy Enterprise.
Our products sell well across China and are exported to more than 60 countries and regions, including Kyrgyzstan, Japan, Mongolia, Russia, the DPRK, Thailand, Kazakhstan, Vietnam, Congo, Zambia, the Philippines, South Africa, Rwanda, Iran, Turkey and Uganda.
We have become a reliable supplier for major domestic mining enterprises, such as China Minmetals, Baowu Steel Group, China National Gold Group, China Nonferrous Metals Industry Association, Baosteel, Jianlong Mining, Wuhan Iron and Steel, Xuanhua Iron and Steel, Daye Nonferrous Metals, Shandong Gold, Hunan Nonferrous Metals, Aluminum Corporation of China, China National Nuclear Corporation and Shandong Metallurgical Industry Group.
Numerous successful projects testify to our comprehensive strength and serve as a valuable reference for new customers. We are proud to say: Choose Inspur Machinery, and you will be assured and worry-free.
Thank you for your attention to Inspur. We look forward to cooperating with you. We will strive to fulfill your expectations and create a brilliant future together.
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