ʻO DVT Spring kahi mea hana i hoʻokumu ʻia ma 2006, aia ma ke kūlanakauhale ʻo Ningbo. Hoʻopili kā mākou mea kanu ma mua o 1,000 square square a me 50 mau limahana a puni. He loea mākou i ka pūnāwai a me nā ʻāpana stamping, e like me ka puna hoʻoemi, pūnāwai torsion, nā ʻāpana hana uea, pili kelepona a me nā mea ʻē aʻe, ʻAmelika ʻĀkau, ʻEulopa, Hikina Hema ʻo Aisa kā mākou mau mākeke nui. Ua hoʻokuʻu aku mākou i kā mākou pūnāwai ma luna o 20 mau ʻāina a hiki i kēia manawa. Ke hana nei ka ʻoihana punawai DVT i nā puna kumu kūʻai maikaʻi maikaʻi maikaʻi.