Beijing Shuang Dong Wei Ye Technology Co., Ltd (for China mainland business) another name is D and D HK International Technology Limited (for overseas business) Shuang Dong Wei Ye is a young, developing and energetic company. But it is a Cisco Partner Premier Certified. Our company employs more than 15 workers, through the efforts of our entire staff, we strives to make an even bigger and more professional distributors. We have four years of history in CISCO field. We deal used and new ...