Double Girder Overhead Crane for component assembling heavy load high efficiency

Double girder overhead crane is heavy‑duty lifting machinery. With sturdy double‑girder structure, it ensures stable heavy‑load handling. Various control ways and attachments optional. Customized parameters for factories, steel mills and warehouses.

• High‑rigidity double‑girder structure, low vibration, stable performance for long‑time heavy‑duty work
• Wide loading capacity range, support single or dual trolley for regular and special‑shaped workpieces
• Complete safety devices: overload limiter, travel limit, anti‑collision buffer and emergency dual‑brake system
• VFD stepless speed control, smooth start‑stop, small load swing and high positioning accuracy
• High‑strength steel construction, good wear and corrosion resistance, long service life
• Energy‑saving design, modular standardized parts, low operation and maintenance cost
• Flexible customization on span, lifting height and running speed
• Dual operation modes: cabin control and wireless remote control for diverse site conditions
• Support intelligent upgrade, remote monitoring and fault self‑diagnosis for modern factory IoT application

• Machinery manufacturing workshops for heavy parts lifting and assembly
• Steel mill and metallurgy industry for steel coil, steel plate handling
• Equipment manufacturing plant for large mold and heavy component transportation
• Power plant and new‑energy industry for heavy equipment installation and maintenance
• Heavy‑industry warehouse and material storage for frequent cargo turnover
• Foundry workshop for casting workpiece hoisting and transferring
• Heavy processing factory for large workpieces turnover and positioning
• Workshop reconstruction and heavy‑duty production line supporting handling tasks

Merit (Shandong) Heavy Industry Machinery Co., Ltd. is a subsidiary of Shandong Longhui Group. It is located at the foot of the world-famous Mount Tai. Yangliu Town, the hometown of Yanghu, a famous general in the Western Jin Dynasty, is the hometown of cranes. A professional manufacturer of heavy handling equipment, the registered capital of the group company is 318 million yuan, the registered capital of the subsidiary is 12.8 million yuan, the group has more than 560 employees, and the production and processing workshop area is 120,000 square meters, including 35 middle and senior managers and 30 senior engineers. There are 40 engineers and 116 engineering and technical personnel. There is a handling equipment research institution equipped with advanced computer-aided design system. The company has nine functional departments: design, production, quality inspection, and safety. There are electrical appliances, riveting, casting, forging, assembly, heat treatment, machining, maintenance and other workshops, with an annual production of 10,000 tons of various types of lifting equipment. There are six offices and 20 sales and service agencies across the country covering major power stations across the country. Industrial and mining enterprises, port terminals and other areas. The company has more than 100 sets (pieces) of various testing instruments and measuring instruments with good performance and effective calibration. Since the establishment of the company, the output value, profits and taxes have increased significantly. The products are sold in more than 30 provinces and cities across the country, and exported to Russia, France, Poland, Dozens of countries including the Philippines, Vietnam, Thailand, Indonesia, Bangladesh, Laos, Bolivia, Africa, South America, Europe, Central and North America, etc., have been highly praised by users at home and abroad.

Our company manufactures all kinds of lifting and handling equipment. The product categories include: European cranes, tire gantry cranes, yacht handling machines (yacht cranes), container gantry cranes, shore bridge cranes, portal cranes, AGV smart cars , RGV heavy trolley, battery track platform car, trackless platform car, trackless truck, ladle car, over straddle car, track turntable, container spreader, wireless remote control grab, hydraulic grab, cantilever crane, gantry crane and other non-standard large-scale handling Equipment, special equipment design, manufacture, installation, transformation, maintenance, etc. 60 series, nearly 6000 kinds of products, obtained relevant manufacturing qualifications, and passed ISO9001 quality system certification, ISO14001, ISO45001 and other system certification, national quality inspection and national quality supervision and quarantine General Administration, issued the A-level "People's Republic of China Special Equipment Manufacturing License", A-level "People's Republic of China Special Equipment Installation, Retrofit and Maintenance License" and other certificates.