Bayan

Pneumatic butterfly valve structure is simple, easy to operate, light weight, large caliber, large circulation capacity and other advantages, and has a self cleaning function. Pneumatic butterfly valve structure is simple, easy to operate, light weight, large caliber, large circulation capacity and other advantages, and has a self cleaning function. A lëu bï ya luui në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈u në luɔɔi de kä ye kek tɔ̈ɔ̈