Difficulty: Easy Looking to purchase an ergonomic office mesh chair in China? Our team has compiled some important suggestions that will help you choose the right chair for yourself!  Zhejiang Seating Technology is one of the best manufacturer in China. We have own Mold factory which is been used for the chairs. We have a different mash chairs with similar looking design. 1.KD BASED or Non KD Based 2.Nylon or PU Castor 3.Different Mechanism 4.Various Armrest