ROC MASTER PIPING SOLUTIONS LTD, an Exporter specializing in steel piping components, flanges and fittings, recorded four shipments between March 2023 and September 2024, totaling≈22 tonnes and 5.5 TEU, all loaded from Shanghai (CN) and delivered to U.S. West‑Coast ports (Seattle, Tacoma) and Houston. The most recent September 2024 shipment (3.1 t, 1.5 TEU) went to Grayloc Products Canada Ltd, using HS 848320 (pipe fittings), while a March 2024 export (1.2 t, 1.5 TEU) to N Line Valves employed HS 903120 (instrumentation). A notable September 2023 load (15.5 t, 1.5 TEU) for CNOOC Petroleum North America ULC used HS 750720 (copper‑alloy pipe). For Buyers, the company shows modest but consistent demand for high‑spec piping across energy and industrial sectors, indicating reliable supply capability and a focused product portfolio. For Customs Brokers, the firm demonstrates stable documentation practices with clear HS‑code usage, predictable Shanghai‑to‑U.S. routing, and repeat port calls, facilitating efficient clearance and risk‑low clearance audits.