Mengjinyuan "one dollar exchange" can participate in all sales channels of Mengjinyuan. You need to bring the proof of purchase at that time, as well as product labels and jewelry to the store to exchange money.
Beijing, Tianjin, Hebei, Henan and Shandong provinces "one yuan exchange" activity time is from August 8th to August every year 15, while other provinces and regions "one yuan exchange" time is still from September 9th to September every year 15.
Extended data
Mojinlan
Mengjinyuan has the largest single-factory gold jewelry production and processing base in Shandong, and it is very rare to reject ODM (original designer) and OEM (OEM) of gold jewelry in the domestic jewelry industry. Mengjinyuan has established a jewelry processing machinery technology research and development center, a gold testing center and a jewelry design research and development center.
Scientific design, production, inspection management system and perfect quality assurance system have been established, and passed ISO900 1 quality management, ISO1400/environmental management, OHSAS 1800 1 occupational health and safety management, GB/T/KL.
Mengjinyuan always insists on independent design and production, and its strong manufacturing foundation and high-tech application have welcomed more and more partners and loyal consumers.
Phoenix Net-National Carnival "One Dollar Exchange Week" is about to land.
Baidu encyclopedia-Mengjinyuan