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wenzhou ono import & export co., ltd. was founded during the key period of mechanical valve development. we are located in the hometown of pumps and valves in china. wenzhou ono import & export co., ltd. is made up of ten top valve and machine companies. we mainly operate international trading affairs. our products are 2000 kinds of valves and hundreds of petroleum machinery. furthermore, we can produce various non-standard products if customers request. wenzhou ono import & export co., ltd. has a super technical guidance and quality control engineer team. meantime, we have a group of senior sales specialists who are familiar with international trade. wenzhou ... |
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