Factory customized black PS 28 hole seedling tray with holes

Factory Introduction

Rosinpack is a professional vacuum formed seedling tray source factory, specializing in the production of black PS material 28 hole seedling trays. The entire tray is made of new modified polystyrene PS integrated vacuum formed, with a single hole large capacity deep cone hole design. Each hole is equipped with independent drainage and ventilation holes at the bottom, and built-in air root repair ribs. The 28 hole single hole substrate has sufficient capacity and is suitable for long-term seedling cultivation, fruit tree seedling cultivation, and melon and fruit seedling cultivation. Support full customization of thickness, disc size, logo printing, and hole depth.

Product advantages

• Using food grade new PS raw materials, the service life of the tray is more than doubled compared to ordinary PVC and recycled materials; Strong resilience, safe and compliant cultivation of fruits and vegetables, and can provide FDA and EU10/2011 testing reports.
• 28 hole large volume deep hole structure, sufficient storage capacity of single hole substrate, vertical guide root reinforcement on the inner wall of the hole, achieving air root repair, eliminating tangled roots, and providing ample space for root growth, suitable for cultivating slow growing seedlings and strong seedlings of fruits and melons
• Our own mold workshop supports customization of hole plate thickness, hole depth, plate size, and drainage hole size; Can print customer brand logos and company information; Standard spot items can be shipped quickly, and for large orders, the mold opening fee can be refunded;

Exclusive misaligned inverted lock buckle structure
The four sides of the tray and the transparent cover of this product are locked with staggered concave convex alignment locks. Stacking multiple layers upright: the buckles interlock with each other, and the lid and base are tightly locked together

Product application scenarios

Factory based seedling cultivation in vegetable seed industry

Tomatoes, chili peppers, broccoli, lettuce, and melons are seeded in trays to promote germination, with drainage and root rot prevention measures in the holes. Transparent covers are used for constant temperature germination, and commercial seedlings are cultivated on a large scale in large seedling greenhouses.

Flower and succulent cutting cultivation

Rose, hydrangea, and herbaceous flower cuttings, tissue culture and seedling refinement, non porous inner support for moisture retention, high transparent cover to prevent water loss of cuttings, suitable for large-scale expansion in flower industry parks.

Hydroponic/Micro Sprout Vegetable Planting

Non porous bottom tray for water storage and circulation hydroponics, indoor cultivation of wheat grass and micro vegetables, and a matching gift box for home gardening supermarkets.

Cross border Horticulture Export Set

Three in one seedling kit, standardized locking structure for easy container stacking and export, suitable for European, American, Southeast Asian horticultural wholesalers, and cross-border e-commerce independent stations for complete sales.

FAQ

Q1: Is 28 holes suitable for cultivating seedlings? How to distinguish and select between 32/50 holes?
A: 28 hole single hole has a larger volume, focusing on large seedlings, woody plants, and long-term seedling cultivation; 32/50 holes are suitable for short-term leafy vegetable seedlings; 28 hole deep hole varieties are preferred for fruit trees, grafted melon seedlings, and shrub cuttings.

Q2: How to choose between perforated and non perforated inner trays, and can they be used interchangeably?
A: The two inner and outer frame sizes are completely uniform, and can be freely replaced and placed into the 1020 base; Choose perforated seeds for sowing and seedling cultivation, which are breathable and prevent root rot; For cutting, hydroponic, and closed cultivation, select unperforated varieties to lock in water and moisturize. A set of bottom trays and lids with two types of inner trays can cover all seedling cultivation processes.