Ua hoʻokumu ʻia ʻo Taizhou Weite Precision Machinery Co., Ltd. i ka makahiki 1999 a ua hana ʻo ia i ka paipu kila stainless seamless no 23 mau makahiki.Ka mea kanu uhi i ka wahi o 1000 square mika, R&D he 5 kanaka, kuai hui i 8 kanaka, a me ka makahiki hookahuli aupuni he 2000 micron tona.