Mini solar project 1. Suitable for hotel, school, swimming pool, sub district; 2. Economic cost; Mini solar projectWorking principle:1) ... Many-tubes-connected makes the solar collector system;2) The project is composed of solar collector, water storage tank, ... steel / aluminum alloy, durable and stability performance, well wind resistance solar vacuum tubea) Size: Φ47x1, 500mm / Φ58x1, 600mm / ...