Solar ballast adopts patented design withpre-assembly modular racks and fixed modules.The installation time can bereduced because there is no need for customized rack, which makes timelyquotation and unified design to be achieved. It is a real non-permeation systemwith protecting the roof waterproof, which of front, middle and rear supportsare fixed by means of concrete and other ballasts, also formation costs andassembly time can be significantly saved.
