NINGBO JINGHE ROTOMOLDING TECHNOLOG, an exporter of rotomolded plastic products (tubes, molds, covers and related components), shows a steady US‑west‑coast demand pattern, shipping almost monthly from Ningbo (57020) and Shanghai (57035) to Long Beach, Los Angeles and Oakland; top buyers include POWERTEQ, INJEN TECHNOLOGY, EAGLE ACCESS CONTROL and RESOURCE INTERNATIONAL, with average monthly shipments of 1‑3 containers and occasional large loads (e.g., 12.6 t in Apr 2025). HS Codes are highly consistent (750720 for rotomolded articles, 848020 for machinery parts), and documentation repeats the same port‑of‑loading and unloading pairs, indicating reliable filing practices. For prospective buyers, the company offers a dependable supply chain, diversified client base and modest growth in volume, suggesting capacity to meet expanding demand for plastic tubing and molded parts. For customs brokers, the predictable HS‑code usage, stable routing and regular carrier patterns facilitate efficient clearance and lower compliance risk, ensuring smooth border processing for all shipments.