Dear customers, the product you are browsing is the special product designed by our factory according to the needs of different customers. The parameters of each product vary depending on the customer's needs. If you have any needs in this area, please contact our technicians directly. Contact the phone 0512-65086187 or 15850250183 Mr. Wang (WeChat same number). Can also go directly to our factory site visit to understand. Our factory is in Suzhou, Xiangcheng District, Wang Ting Town, No. six innovation West Road. You are welcome at any time.