Since our establishment in 1993, Yantai Haiyun Diving Equipment Company (SEAM) has dedicated three decades to the R&D and manufacturing of commercial diving equipment. Today, we operate from a 4,000㎡ modern production facility backed by a 50+ professional team. Guided by our philosophy "Precision Crafted for Deep Sea Operations", every product undergoes rigorous quality control and holds ISO 9001 international certification. Our solutions now serve clients across 30+ countries worldwide.
Office Workspace
Product Packaging
Team Meeting in Progress
Technician Calibrating Equipment
Warehouse Operations Overview
Warehouse Shelf Section
Warehouse Shipping Preparation
Worker Assembling Product
Worker Conducting Product Testing
Verify Materials: Corrosion-resistant metals, certified polymers, traceable sourcing.
Precision Manufacturing: Strict adherence to specs for dimensions, welds, assembly.
Pressure Test: Hydrostatic/pneumatic testing above working pressure on cylinders, valves, chambers.
Functional Test: Simulated dive checks (regulator breathing, valve operation, comms).
Leak Test: Sensitive detection (helium, pressure decay) on all seals & joints.
Maintain Traceability: Full records (materials, tests, inspections, serial numbers).
