Wholesale Lung Breath Trainer With Adjustable Levels Respiratory Lungs With Patent Lung Deep Trainer

1.When is your working time? :Our working hour is 08:30-18:30(KST).We can answer your messages and inquiries quickly during that time. 2.Where is your company located? :We are in Busan, Korea. 3. What is your terms of payment? :100% Payment before shipment. 4. Do all your products have the same function? What are their differences? :First,IMT/PEP and V-PEP/IMT specialize in breathing rehabilitation. They provide inha- lation exercise,which strengthens the lung muscle，and exhalation exercise which helps remove mucus.Other products(IMT,S-IMT,BreST Mask)specialize in breathing training and improving sports endurance and tolerance.Their main strong points are different.