Loftoll (Shanghai) WenjianCompressor Co., Ltd from the last century ninety's. As a former Shanghai Tonglian Compressor Co. Ltd. (Shanghai compressor plant enterprises). The company initially produced piston compressor, the end of the ninety's. In the industry took the lead in the design development of screw type air compressor, has changed its name to Shanghai Bolaite Compressor Co., Ltd. (2006 was the world's top 500 enterprises atlas acquisition) and Shanghai Wenjian Compressor Co., Ltd..

April 2007. Loftoll (China Shanghai) Wenjian injection of 32000000 Yuan to establish Shanghai Kangkeer Compressor Co. Ltd. in 2008 January. Shanghai robust capital 500 million yuan acquisition of Shanghai Yi to Compressor Co., Ltd.; in 2009 and inject 1100 million yuan acquisition of Shanghai Deli Compressor Co., Ltd., and in the same year in the south of the county of Jiangxi Province investment 2 billion set up large-scale production base Jiangxi Grethel compression machine Co., Ltd.; 2012 Shanghai Wenjian in development of high-end frequency conversion and energy saving unit, the sudden appearance of a new force and injection of 12.5 million yuan formed Shanghai Cleeson Compressor Co.,, Ltd. Shanghai Wenjian with high quality, high standard products, leading the industry high end field, creating a new image of enterprise environmental protection and energy saving.

Loftoll (Shanghai) WenjianCompressor Co., Ltd in ten years time, completed the transformation from ordinary units to high-end energy-saving unit, completes the leap from 2.2kW to 600kW eight major categories of a more kinds of specifications, in 2015 the company and launched across the worry free screw compressor, Shanghai Wenjian success include all types of screw compressor, corporate success is build into the set of technology, strength, brand and reputation in a large modern enterprise group.