... performance.5. Unique sealing and assembly process, special surface treatment technology give the lightbetter anti-corrosion, waterproof, dust-proof performance. ... 4 modules production lines, 4 assemble lines, 2 aging test lines, 2 SMT lines.We developed different types led street ... and good prices . 7. We will provide the customer a legitimate usage manual for our products before shipment; if necessary ...