JLHY supplies stainless steel cross countersunk head self tapping long screws for industrial, construction, and outdoor applications. OEM service & bulk supply available.
JLHY is a China OEM factory supplying self drilling screws with EPDM washers for roofing and cladding. Bulk supply, custom colors, export quality.
JLHY is a China OEM manufacturer of hex head self-drilling screws for metal roofing. Bulk supply, custom colors, EPDM washer options, export quality.
JLHY supplies Phillips wafer head self-drilling screws for metal fastening. OEM service, bulk supply, stable drilling performance, export quality.
Self-tapping screws with PVC washers for vibration resistance and moisture protection. Suitable for roofing, siding, and metal panels.
