YI ZHI SHANG CHIAN, a Supplier exporting waterproof TPU‑based materials, recorded a single but notable June 2024 shipment of 300 kg (1 TEU) from Qingdao, China to Tacoma, WA, serving US buyer NEW S B L INC and utilizing HS Code 640110. For prospective Buyers, the company’s focused product line and ability to ship directly to major US West Coast ports demonstrate a niche capability in high‑value waterproof polymers, offering reliable, albeit low‑volume, supply that could be scaled with sustained demand. For Customs Brokers, the transaction shows consistent documentation standards—clear HS code classification, a single loading and unloading port pair, and straightforward weight/TEU reporting—facilitating predictable clearance processes and minimal regulatory friction, making YI ZHI SHANG CHIAN a low‑risk partner for routine customs handling.