What's the number of 2 16850 1? What number is it?

Jinde Industry-Shandong Jinde Industrial Co., Ltd., a subsidiary of Jinyi Group, address: Taoyuan Avenue, Shandong Plain Economic Development Zone 1 Tel: 0534-2 16850 1 Fax: 0534-2 168500 Zip code: 253/KLOC. However, it is known that landline numbers need area code to know the specific address.