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　　Taicang Dongqing Metal Products Co., Ltd company mainly manufacture many kinds of alloy mini tubes. Our technology was wholly come from Japan, then we innovate by ourselves. DQ-TECH is good at produce 0.5~15mm precision mini tubes, some of parts tolerance less than 0.005mm. DQ-TECH according ISO9001 and TS16949 management system to reference, parts according customer's normative documents to implement. Now our main raw material as follows: NICKEL (N6、N4、N200、N201)、KOVAR (KV-2、KV-6、FeNiCo2918、4J29)、NIFE (NiFe47、NiFe42、4J50、4J42、4J36）、STAINLESS STREEL（ SUS304、SUS316、SUS316L、SUS321）、NICKEL CHROME（ Ni90Cr10、Ni80Cr20、INCONEL600 etc.）、OTHER （MENEL、Ti etc.） ...