China HDPE Plastic Bolt Manufacturer Offers HDPE Plastic Screw Bolt Assembly For Floating Solar PV System, Blow Molding, to Fix Connect Maintenance Aisles. Usage: For Floating Solar PV System. Material: HDPE Plastic. Specification: â?®65*110/125/140 MM. Application: Fixing and Connecting Maintenance Aisles. Manufacturing Process: Blow Molding. Design: Custom Design. Place of Origin: Fujian, China (Mainland). Features: Low Cost, Environment Friendly, Easy To Install, High Productive, Above 25 Years Service Life.