Huierdun (Shandong) Intelligent Technology Co., Ltd. is one of the largescale disposable lock manufacturers in China.SINCE OUR COMPANY WAS FOUNDED IN 2000, Our company has more than 320 employees, 20 technicians, 20 researchers and designers, a
nd 40 intermediate technicians. It owns more than 300 sets of blockade production equipment, covering an area of more than
10,000 square meters. Specializing in the production of lead seals, bolt seals, security plastic seals, plastic padlock seals, cable tie,
meter seals, animal ear tags, etc.