JLHY is a China OEM manufacturer of hex head self drilling screws with rubber washer for roofing and steel construction. Bulk supply & custom colors.
JLHY supplies wafer head self drilling screws for steel framing with OEM and bulk export service.
OEM flat head self drilling screws for metal fastening. JLHY provides bulk supply and private label service.
JLHY manufactures hex head self drilling screws for industrial and construction use with OEM service.
Shop self-drilling drywall screws for metal stud applications. Bulk orders available for large-scale construction and industrial projects.
