Photosensitive seal: after laser printing, it is directly exposed on the photosensitive material, and then oiled for later use. The imprint is stable and can keep the original lines of the document. It is suitable for pattern seals, cartoon seals and signature seals, and can be used for tens of thousands of times. It is also a durable stamp-free seal, so it is also suitable for seals with large usage. The supplementary ink of photosensitive seal must be the same brand as the original ink, otherwise the seal may be damaged due to improper use of ink. In addition, the price of seal material of photosensitive seal machine is slightly higher than that of ordinary seal engraving, but the photosensitive seal is green, pollution-free and convenient to use, which can avoid the constraint of seal inkpad, but it is more practical for photosensitive seal oil.

Ink-backed seal: Ink-backed seal is a solid seal rack with a built-in stamp pad. When used, the seal will automatically turn over and cover the stamp pad. It is a high-quality and high-grade seal with clear engraving effect, stable structure, durability, convenient refueling and replaceable stamp pad. Its convenience and durability are deeply loved by window units such as banks and hospitals.

Permeable seal: self-contained ink, easy to use and reusable. Applicable to all kinds of department seals, such as special seal for invoices, special seal for contracts, special seal for business, special seal for customs declaration and other work seals. The bank seal is not applicable, and it needs to be supplemented with the seal of the same brand to ensure that the printed body is not damaged.

Claw seal: It is hard in texture, durable and clear in impression, and is suitable for seals. However, claw seal has the characteristics of thermal expansion and cold contraction, which may cause errors.

Copper seal: hard, made of copper or copper alloy, with high hardness, no deformation and long storage time.

Red rubber stamp: easy to cover and use, with clear imprint, suitable for various department seals, such as special seal for invoice, contract, business and customs declaration. Due to the characteristics of thermal expansion and cold contraction, materials are prone to errors and are not suitable for bank seals.

Satsuma bento printing: Satsuma bento printing has clear wood grain and delicate wood.

Steel seal: Steel seal is a common seal, and many people will see it on their diplomas. This seal has two molds, the top of which is female die, and the bottom is the male mold. The imprint covered has a concave-convex feeling.

Date stamp: Also known as number stamp, its number or date can be changed due to the special stamp seat structure, which is suitable for stamps whose date or number needs to be changed, such as bank stamp and inspection stamp.

Atomic seal: Atomic seal is one of the seals widely used in commercial activities. It has the characteristics of beautiful appearance, clear printing surface, no need for printing table and oiling, that is, it is convenient to carry and never fades. Can be used for more than 36,000 times.

Applicable to: seals of various departments. For example, special seals for invoices, contracts, business, customs declaration, etc. Not suitable for banks to print signatures and seals.

Ink back copper printing: Ink back copper printing is an improved product of ink back printing. It consists of an ink return sealing frame and a copper sheet. This kind of copper seal with back ink overcomes the shortcoming that rubber with back ink seal is easy to deform and expand after long-term use. ~