2  Advantage

1). Simple structure,manufacture and maintenance more convenient.
2).Working stroke is small,opening and closing time is short.
3).Good sealing,sealing surface friction between the small,long service life.

1.Packing: plywood cases

1.Good quality and low price. 
2. free sample
3.Good after-sale service.
4.Bring the finest goods to customer is our ultimate goal.
5.Products are exported to various countries.

1. professional manufacturer

2. More than 40 years Professional Experience

3. process of producing and checking
4.high reputation