ʻO Wenzhou Xinzhan valve ball Co., Ltd. he mea hana pōpō ʻoihana i hoʻokumu ʻia i ka hoʻomohala ʻana i nā pōlele kiʻekiʻe, ʻenehana kiʻekiʻe a me nā hana he nui. I nā makahiki he 12 i hala iho nei, ua lanakila ʻo Xinzhan i ka ʻike a me ka hoʻomaikaʻi ʻana mai nā mea kūʻai aku ma ka home a ma waho. Mai kona hoʻokumuʻiaʻana, ua hāʻawi akuʻo ia ma mua o 100 miliona mau pōpō kila valve (nā pōpō kila kila) i ka honua honua a me ke kula kiʻekiʻe.
Me kona ikaika hana hana hou a me nā makahiki he nui o ka ʻike hoʻokele hana 5S, ua hoʻolauna ʻo Xinzhan sphere i nā kikowaena mīkini, nā laina hui NC maʻemaʻe seal, nā laina hui ultrasonic a me ka hoʻopili ʻana e hoʻomaikaʻi i ka hana a me ka hoʻopuka pono ʻana a me ka mālama ʻana i ka maikaʻi a me ke kūpaʻa o nā huahana.
Hoʻolako ʻia ka lumi hoʻokolokolo me: ka mea ʻike makaʻala, ka mea hōʻike tension, ka mika roundness, ʻekolu mau hoʻonohonoho, spectrometer a me ka microscope. Hoʻopili ʻia ka hui ʻo Xinzhan i kahi ʻāpana o 8000 ²， He ʻoihana hana ʻoihana loea i ka hoʻolālā, hana a me ke kūʻai aku ʻana i nā spheres sealing palupalu a paʻakikī. ʻO kāna mau huahana nui, ʻo ia nā pōʻai paʻa paʻa i hoʻopaʻa ʻia, nā pōʻai wiliwili kila i hoʻopaʻa ʻia, nā pōʻai hollow seamless, T-shaped, L-like, V-like spheres a me nā huahana ʻē aʻe.
He 227 mau limahana ka hui i kēia manawa, me 170 mau limahana hana, 18 mau mea kūʻai aku, 13 mau mea nānā, a me 26 mau mea hoʻokele a me nā limahana loea. Hoʻolālā ka hui e hana a kūʻai aku i 20 miliona mau mea kila kila ma 2022