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Our company named PENNINT, a leading and professional manufacturer of waterproof materials located in Jinan, Shandong, are fully devoted to waterproofing industries. We’re very young and recognized but expert, energetic, ambitious,aggressive, do well in learning more professional knowledge from different roles, and we firmly believe the clients are the best teacher, the competitors are the best motivator. As for our customers, produce and supply qualified products is important, but provide the perfect waterproof solution and standard instruction manual will be necessary. After all, the development road of tech-service oriented enterprises will keep in the whole life.