Jeng Chen' s connecting Polycarbonate profiles could connect sheets for covering of large areas on constructual buildings. The incoming light won' t be effected at the connecting areas. The profiles can be bent at the minimal radius permitted by the sheet. The features for Jeng Chen' s Polycarbonate profiles are as below: • It won' t effect light through the sheet connections • Excellent sealing properties in roofs and walls • Light, flexible, most economic and easy to install to save a lot of labor cost