Has 80 years of development history of the lock ring Yantai Industry Group, and did not appear in history before the old tired, but the constant glow mature, robust and intelligent charm. Making it the most abundant accumulation of the oldest domestic production of the largest, most complete product, exports most professional lock company. At the same time, three-ring technology and equipment, management, technological strength and development capabilities, economic indicators do not have old-fashioned, with its size, efficiency, market share, exports are among the best in the same industry.
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