The practical application of stainless steel hook bolts under the tile roof beams connected, as supported by the solar panels. Waterproof layer without damaging the roof, reaching 100% waterproof. Hook by adjusting for different solar modules on the roof of the thickness of general applicability. Hook solution for tile roof slope. Hook connected by wooden structure with a roof bolt. The other end of the keel support PV stent. Roof tiles without damaging the surface, 100% waterproof. You can adjust the height and position of the hook mounting holes to match the position of the tiles and wooden beams of different thicknesses. Rich hook all kinds, for a variety of roof tile surface. Can withstand 55M / s or more wind pressure load, snow load, load up to 900N / m. Advantage 1, 2 stainless steel hook, hook-rich types, to meet the needs of three different roof structure, length and position of the hook can be adjusted to adapt to a variety of tiles 4, do not punch through the tile surface, excellent water resistance 5, the system lightweight solid 6, does not destroy the tiles, roofing appearance above all to ensure that the processing according to customer demand