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Development history

Future  We will continue to work hard  
2021 ~2020
In 2021,Factory total area is 150,000 with employee 1050 output production value RMB 340 million
In 2019, we will try our best to achieve output production value 260 million RMB
In 2018,Double Stone made great progress research and development on production, Factory total area is 90,000 square meters with employee 800 output production value RMB 240 million. Already became one of the top 10 bias tire manufacturers in Shandong province in 2019. At same time Involved Prefab house 
Wheels assey were produced successfully.Tires and wheels achieved a new high level. our products began to enjoy good reputation around the South American and Asia markets. Involved  Metal surface treating equipment,Coating equipment,Air compressor
Tires were entered into North America, Europe, Australia . Built Foreign market brand “DOUBLE STONE” 
Motorcycle Tires  and outdoor equipment tires were successfully produced.
Also Involved Tractor and Generator
From 2002 to 2007, purchasing new equipments hiring experienced R&D team and engineers. OTR tires, light truck tires and trailer Tires were successfully produced and enter domestic market.
2001~1996 From 1996 to 2001, built 16 sales office &warehouse totally in South and north China to support and do after sales service for the machinery factories. hiring experienced engineer and put a lot of money into research and development.
1995 Double Stone group was established in 1995. Mainly produced AGT tires. Industrial Tires. The tires are supplied to China machinery factories