west germany elevator production qualification update-尊龙凯时
after nearly 8 months of development, design, trial production, shaping, production and other processes, the company passed the acceptance of the national elevator quality supervision and inspection center at one time, and obtained the type test certificate.
on march 21st, 2014, the general administration of quality supervision, inspection and quarantine issued the qualifications for the manufacture of oversized tonnage haulage freight elevators and high-speed machine-room-less freight elevators.
