WHO WE ARE
Shenzhen Sunbonw Co., LTD, short name as Sunbown, is a branch of HUA CHENG XIN PLASTIC MOLD CO., LTD, who is a ISO 9001 certified factory based in China.
Since 2010, we have focused on degassing valve manufacture and 85% are mainly supplied to China domestic flexible packaging manufacturers.
As nowadays some manufacturing sites have moved outside of China, so we aim to expand markets overseas and serve flexible packaging manufacturer abroad with our 15 years stable quality performance.



1. Cost-effective, low noise, fuel-efficient, easy to operate.
2. Stable and durable.
3. CE, ISO9001 approved.
4. The production process is standard, and the technicians are skilled.
5. The quality of raw materials is strictly controlled and the testing process is strict.
6. Perfect after-sales service. Free replacement within warranty period.
7. Numerous application scenarios:Industrial machinery, agricultural machinery, backup generators.
245 +
Service Case
7450 +
Excellent Team
350 +
Covering Industry
289 +
Honor Received
1. Cost-effective, low noise, fuel-efficient, easy to operate.
2. Stable and durable.
3. CE, ISO9001 approved.
4. The production process is standard, and the technicians are skilled.
5. The quality of raw materials is strictly controlled and the testing process is strict.
6. Perfect after-sales service. Free replacement within warranty period.
7. Numerous application scenarios:Industrial machinery, agricultural machinery, backup generators.
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