SHANDONG SINCERE HYGIENE PRODUCT CO LTD, an Exporter of hygiene consumables such as sanitary pads, paper products, dispenser boxes and related packaging, shows a focused trade pattern centered on a single recurring buyer, SHEER SIMPLE LABORATORIES INC, with 12 shipments recorded over the past two years. Monthly volumes range from 785 kg to 10,514 kg, typically using 1‑1.5 TEU containers, and consistently ship from major Chinese ports (Qingdao, Yantian) and Korean Pusan to West Coast US gateways (Seattle and Tacoma). The dominant HS codes are 961220 (hygiene articles) and 481910 (paper), indicating stable product classification and minimal code variation, which eases customs processing. For Buyers, the company offers dependable supply of niche hygiene items with a proven track record of fulfilling a steady demand from a key US importer, suggesting reliable lead times and focused product expertise. For Customs Brokers, the repeat routes, consistent HS‑code usage and predictable container sizes support streamlined documentation, lower risk of classification disputes, and efficient clearance at both loading and destination ports.