black plastic corrugated board suppliers Company Profile Dongguan Jianxin Plastic Products Co., Ltd. is a professional PP hollow board manufacturer, we have high-tech production equipment, advanced deep processing technology and experienced technical team. We have 17 years of production experience in Dongguan City, with 8 high-speed advanced PP plastic hollow sheet production equipment, advanced deep processing equipment, automatic beer board forming equipment, advanced testing equipment, 2D proofing equipment, etc.
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