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.