We, SHANDONG TENGXIN SEAL CO. LTD., are a leading manufacturer in the field of security seal products since 2003. We are specialized in the production of SECURITY SEALS, , such as CONTAINER BOLT SEALS, PLASTIC SEALS, CABLE SEALS , and METER SEALS.
Shandong Ruier Seal Co., Ltd. is committed to the development of the seal industry for ...