SMOOTH MOLD TECH CO LTD, an exporter of precision plastic and metal molds, primarily ships from Shanghai or Ningpo to U.S. West Coast terminals (Long Beach, Los Angeles, Seattle, Tacoma), using a narrow set of HS codes (846592 for mould parts, 848020 for plastic moulds, 392220 for molded plastic). Over the past three years the company averages one to two shipments per quarter, each ranging from 70 kg to 3 t, and repeatedly serves a core buyer group that includes G H TOOL & MOLD INC, MOULEURS DE BEAUCE INC and MBI PLASTIQUE INC. For buyers, this pattern signals a stable but niche supply source with reliable product focus on inserts, molds and related components, offering consistent quality and predictable lead times for specialized tooling needs. For customs brokers, the limited port pairings, recurring HS classifications and steady routing simplify documentation preparation and clearance, reducing inspection risk and enabling efficient customs filing for high‑value, low‑volume shipments.