Sealing enhancements
No leakage even with 50kg side load force

Stackable small bucket/jar design
Stackable jars and lids, for convenience and retaining shape

Innovative tint plug design
Leakproof hard lid and tint plug, for robust applications

Tear-tab sealed lid
Fully leakproof sealable lid with easy-to-open tear tab design

Lids with spouts for liquid contents
Injection molding of high melting point PP over low melting point LDPE, for cost-effective spout lid production

Lids meeting specifications
No leakage after 0.8 meter drop at any angle

19 patents

ROC patent certificate (8)

• No. 219566 small cylindrical container structure
• No. 185186 novel cover structure 
• No. 185007 double cylinder cover engagement structure improved
• No. 260521 modified lid structure
• No. 208922 improved structure
• No. 416991 plants automatic replenishment apparatus
• No. 461600 package lid open lid configuration
• No. 466879 sealed bucket
  

China utility model patent (11)

• Patent No. ZL00262028.6 one kind of cylinder head configuration
• Patent No. ZL00252024 .9 improved structure of a double cylinder cover 
• Patent No. ZL02254612.X compact container tube structures
• Patent No. ZL200420088187.7 cylinder cover
• Patent No. ZL201120287008.2 automatic replenishment apparatus
• Patent No. ZL201320245331.2 structure having the package lid open end
• Patent No. ZL201320246945.2 sealed bucket
• Patent No. ZL201320824169.X water circulation pots
• Patent No. ZL201420214744.9 bucket cover structure 
• Patent No. ZL201621081988.X dispensing head
• Patent No. ZL201720711929.4 card having a lid solid bucket structure